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Portnow LH, Georgian-Smith D, Haider I, Barrios M, Bay CP, Nelson KP, Raza S. Persistent inter-observer variability of breast density assessment using BI-RADS® 5th edition guidelines. Clin Imaging. 2022 Mar; 83:21-27. PMID: 34952487; PMCID: PMC8857050; DOI: 10.1016/j.clinimag.2021.11.034;
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Kim C, Lin X, Nelson KP. Measuring rater bias in diagnostic tests with ordinal ratings. Stat Med. 2021 07 30; 40(17):4014-4033. PMID: 33969509; PMCID: PMC8277718; DOI: 10.1002/sim.9011;
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Kleinschmidt S, Dugas JN, Nelson KP, Feldman JA. False negative point-of-care urine pregnancy tests in an urban academic emergency department: a retrospective cohort study. J Am Coll Emerg Physicians Open. 2021 Jun; 2(3):e12427.View Related Profiles. PMID: 33969349; PMCID: PMC8087939; DOI: 10.1002/emp2.12427;
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Farrell NM, Killius K, Kue R, Langlois BK, Nelson KP, Golenia P. A Comparison of Etomidate, Ketamine, and Methohexital in Emergency Department Rapid Sequence Intubation. J Emerg Med. 2020 Oct; 59(4):508-514.View Related Profiles. PMID: 32739131
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Pare JR, Camelo I, Mayo KC, Leo MM, Dugas JN, Nelson KP, Baker WE, Shareef F, Mitchell PM, Schechter-Perkins EM. Point-of-care Lung Ultrasound Is More Sensitive than Chest Radiograph for Evaluation of COVID-19. West J Emerg Med. 2020 Jun 19; 21(4):771-778.View Related Profiles. PMID: 32726240; PMCID: PMC7390587; DOI: 10.5811/westjem.2020.5.47743;
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Schechter-Perkins EM, Dwyer KH, Amin A, Tyler MD, Liu J, Nelson KP, Mitchell PM. Loop Drainage Is Noninferior to Traditional Incision and Drainage of Cutaneous Abscesses in the Emergency Department. Acad Emerg Med. 2020 11; 27(11):1150-1157.View Related Profiles. PMID: 32406569
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Gunn CM, Paasche-Orlow MK, Bak S, Wang N, Pamphile J, Nelson K, Morton S, Battaglia TA. Health Literacy, Language, and Cancer-Related Needs in the First 6 Months After a Breast Cancer Diagnosis. JCO Oncol Pract.
. 2020.
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O'Connor L, Porter L, Dugas J, Robinson C, Carrillo E, Knowles K, Nelson KP, Gigliotti R, Tennyson J, Weisberg S, Rebesco M. Measuring Agreement Among Prehospital Providers and Physicians in Patient Capacity Determination. Acad Emerg Med. 2020 07; 27(7):580-587. PMID: 32065493
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Wang C, Lin X, Nelson KP. Bayesian hierarchical latent class models for estimating diagnostic accuracy. Stat Methods Med Res. 2020 04; 29(4):1112-1128. PMID: 31146651; PMCID: PMC6884669; DOI: 10.1177/0962280219852649;
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Nelson KP, Edwards D. A paired kappa to compare binary ratings across two medical tests. Stat Med. 2019 07 30; 38(17):3272-3287. PMID: 31099902; PMCID: PMC6884009; DOI: 10.1002/sim.8200;
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Pare JR, Pollock SE, Liu JH, Leo MM, Nelson KP. Central venous catheter placement after ultrasound guided peripheral IV placement for difficult vascular access patients. Am J Emerg Med. 2019 02; 37(2):317-320.View Related Profiles. PMID: 30471933
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Schechter-Perkins EM, Mitchell PM, Nelson KP, Liu JH, Shannon A, Ahern J, Orr B, Miller NS. Point-of-care influenza testing does not significantly shorten time to disposition among patients with an influenza-like illness. Am J Emerg Med. 2019 05; 37(5):873-878.View Related Profiles. PMID: 30107967
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Rixe JA, Liu JH, Breaud HA, Nelson KP, Mitchell PM, Feldman JA. Is hallway care dangerous? An observational study. Am J Emerg Med. 2018 08; 36(8):1451-1454.View Related Profiles. PMID: 29747896
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Nelson KP, Mitani AA, Edwards D. Evaluating the effects of rater and subject factors on measures of association. Biom J. 2018 05; 60(3):639-656. PMID: 29349801
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Gruenberg CC, Breaud AH, Liu JH, Mitchell PM, Feldman JA, Nelson KP, Kahn JH. Are Geriatric Patients Placed in an Emergency Department Observation Unit on a Chest Pain Pathway More Likely Than Non-Geriatric Patients to Re-Present to the Hospital within 30 Days? J Emerg Med. 2018 03; 54(3):302-306.View Related Profiles. PMID: 29336989
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Mitani AA, Nelson KP. Modeling Agreement between Binary Classifications of Multiple Raters in R and SAS. Journal of Modern Applied Statistical Methods. 2017; 2(16):277-309.
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Lin X, Chen H, Edwards D, Nelson KP. Modeling rater diagnostic skills in binary classification processes. Stat Med. 2018 02 20; 37(4):557-571. PMID: 29094378; PMCID: PMC5771896; DOI: 10.1002/sim.7530;
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Linden JA, Grimmnitz B, Hagopian L, Breaud AH, Langlois BK, Nelson KP, Hart LL, Feldman JA, Brown J, Reid M, Desormeau E, Mitchell PM. Is the Pelvic Examination Still Crucial in Patients Presenting to the Emergency Department With Vaginal Bleeding or Abdominal Pain When an Intrauterine Pregnancy Is Identified on Ultrasonography? A Randomized Controlled Trial. Ann Emerg Med. 2017 Dec; 70(6):825-834.View Related Profiles. PMID: 28935285
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Nelson KP, Mitani AA, Edwards D. Assessing the influence of rater and subject characteristics on measures of agreement for ordinal ratings. Stat Med. 2017 Sep 10; 36(20):3181-3199. PMID: 28612356; PMCID: PMC5540881; DOI: 10.1002/sim.7323;
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Nelson KP, Barlow, W. Wiley StatsRef: Statistics Reference Online, Encyclopedia of Biostatistics. Agreement - modeling of categorical. 2017.
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Ko NY, Battaglia TA, Gupta-Lawrence R, Schiller J, Gunn C, Festa K, Nelson K, Flacks J, Morton SJ, Rosen JE. Burden of socio-legal concerns among vulnerable patients seeking cancer care services at an urban safety-net hospital: a cross-sectional survey. BMC Health Serv Res. 2016 Jun 14; 16:196.View Related Profiles. PMID: 27296566; PMCID: PMC4906581; DOI: 10.1186/s12913-016-1443-1;
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Nelson KP, Edwards D. A measure of association for ordered categorical data in population-based studies. Stat Methods Med Res. 2018 03; 27(3):812-831. PMID: 27184590; PMCID: PMC5112161; DOI: 10.1177/0962280216643347;
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Dahn CM, Manasco AT, Breaud AH, Kim S, Rumas N, Moin O, Mitchell PM, Nelson KP, Baker W, Feldman JA. A critical analysis of unplanned ICU transfer within 48 hours from ED admission as a quality measure. Am J Emerg Med. 2016 Aug; 34(8):1505-10.View Related Profiles. PMID: 27241571; DOI: 10.1016/j.ajem.2016.05.009;
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Park TW, Saitz R, Nelson KP, Xuan Z, Liebschutz JM, Lasser KE. The association between benzodiazepine prescription and aberrant drug-related behaviors in primary care patients receiving opioids for chronic pain. Subst Abus. 2016 Oct-Dec; 37(4):516-520.View Related Profiles. PMID: 27092738; PMCID: PMC5708125; DOI: 10.1080/08897077.2016.1179242;
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Nelson KP, Edwards D. Measures of agreement between many raters for ordinal classifications. Stat Med. 2015 Oct 15; 34(23):3116-32. PMID: 26095449; PMCID: PMC4560692; DOI: 10.1002/sim.6546;
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Treadway NJ, Diop H, Lu E, Nelson KP, Hackman H, Howland J. Using surveillance data to inform a SUID reduction strategy in Massachusetts. Injury Epidemiology. 2014; 1-12.
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Oreskovic NM, Charles PR, Shepherd DT, Nelson KP, Bar M. ATTRIBUTES OF FORM IN THE BUILT ENVIRONMENT THAT INFLUENCE PERCEIVED WALKABILITY. J Archit Plann Res. 2014; 31(3):218-232. PMID: 25554719; PMCID: PMC4278351
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Ruth MR, Port AM, Shah M, Bourland AC, Istfan NW, Nelson KP, Gokce N, Apovian CM. Consuming a hypocaloric high fat low carbohydrate diet for 12 weeks lowers C-reactive protein, and raises serum adiponectin and high density lipoprotein-cholesterol in obese subjects. Metabolism. 2013 Dec; 62(12):1779-87.View Related Profiles. PMID: 24075505; PMCID: PMC3845365; DOI: 10.1016/j.metabol.2013.07.006;
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Rohsenow DJ, Howland J, Alvarez L, Nelson K, Langlois B, Verster JC, Sherrard H, Arnedt JT. Effects of caffeinated vs. non-caffeinated alcoholic beverage on next-day hangover incidence and severity, perceived sleep quality, and alertness. Addict Behav. 2014 Jan; 39(1):329-32.View Related Profiles. PMID: 24090620; PMCID: PMC3864634; DOI: 10.1016/j.addbeh.2013.09.008;
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Bickmore TW, Silliman RA, Nelson K, Cheng DM, Winter M, Henault L, Paasche-Orlow MK. A randomized controlled trial of an automated exercise coach for older adults. J Am Geriatr Soc. 2013 Oct; 61(10):1676-83.View Related Profiles. PMID: 24001030; DOI: 10.1111/jgs.12449;
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Weiner SG, Griggs CA, Mitchell PM, Langlois BK, Friedman FD, Moore RL, Lin SC, Nelson KP, Feldman JA. Clinician impression versus prescription drug monitoring program criteria in the assessment of drug-seeking behavior in the emergency department. Ann Emerg Med. 2013 Oct; 62(4):281-9.View Related Profiles. PMID: 23849618
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Chung CS, Yock TI, Nelson K, Xu Y, Keating NL, Tarbell NJ. Incidence of second malignancies among patients treated with proton versus photon radiation. International Journal of Radiation Oncology Biology Physics. 2013; 87(1):46-52.
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Magnani JW, Wang N, Nelson KP, Connelly S, Deo R, Rodondi N, Schelbert EB, Garcia ME, Phillips CL, Shlipak MG, Harris TB, Ellinor PT, Benjamin EJ. Electrocardiographic PR interval and adverse outcomes in older adults: the Health, Aging, and Body Composition study. Circ Arrhythm Electrophysiol. 2013 Feb; 6(1):84-90.View Related Profiles. PMID: 23243193; PMCID: PMC3613778; DOI: 10.1161/CIRCEP.112.975342;
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Perlstein TS, Goldhaber SZ, Nelson KP, et al. The Creating An Optimal Warfarin Nomogram (CROWN) study. Thrombosis and Hemostasis. 2012; 107(1):59-68.
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Nelson KP. Journal of Biopharmaceutical Statistics (Shoukri MM, ed.). Review of: Measures of Interobserver Agreement and Reliability, 2010. CRC/Chapman & Hall. Boca Raton. 2012; 22:217-218.
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Zuckerman KE, Nelson KP, et al. Specialty referral communication and completion in the community health center setting. Academic Pediatrics. 2011; 4(11):288-296.
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Nelson KP, Edwards D. Improving the reliability of diagnostic tests in population-based agreement studies. Stat Med. 2010 Mar 15; 29(6):617-26. PMID: 20128018; PMCID: PMC5079112; DOI: 10.1002/sim.3819;
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Nelson KP, Edwards D. On populations measures of agreement in binary data. Canadian Journal of Statistics. 2008; 36(3):411-426.
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Nelson KP, Leroux BG. Properties and comparison of estimation methods in a loglinear generalized linear mixed model. Journal of Statistical Computation and Simulation. 2008; 3(78):367-384.
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Nelson KP. The American Statistician. Review of: Galwey, N.W. Introduction to Mixed Modelling. Wiley & Sons. New York. 2007; 61(4):368-369.
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Nelson KP, Leroux BG. Statistical models for autocorrelated count data. Stat Med. 2006 Apr 30; 25(8):1413-30. PMID: 16196078
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Nelson KP, Lipsitz SR, Fitzmaurice GM, Ibrahim J, Parzen M, Strawderman R. Using the probability transformation for non-normal random effects in nonlinear mixed models. Journal of Computational and Graphical Statistics. 2006; (15):39-57.
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Nelson KP. Statistics in Medicine. Review of: Dobson, A.J. An Introduction to Generalized Linear Models. Chapman & Hall. London. 2004; 23(13):2151.
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Thompson ML, Nelson KP. Linear regression with Type I interval and left-censored response data. Environmental and Ecological Statistics. 2003; 10:221-230.
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Tappin DM, Ford RP, Nelson KP, Price B, Macey PM, Dove R. The febrile stress of routine vaccination does not increase central apnoea in normal infants. Acta Paediatr. 1997 Aug; 86(8):873-80. PMID: 9307170
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Tappin DM, Ford RP, Nelson KP, Price B, Macey PM, Dove R, Larkin J, Slade B. Breathing, sleep state, and rectal temperature oscillations. Arch Dis Child. 1996 May; 74(5):427-31. PMID: 8669959; PMCID: PMC1511530
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Tappin DM, Ford RP, Nelson KP, Wild CJ. Prevalence of smoking in early pregnancy by census area: measured by anonymous cotinine testing of residual antenatal blood samples. New Zealand Medical Journal. 1996; 1018(109):101-103.
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Ford RP, Nelson KP. Higher rates of SIDS persist in low income groups. J Paediatr Child Health. 1995; 31(5):408-11.
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Nelson KP, Ford RP, Wild CJ. Women in low income groups smoke more: Canterbury 1976-92. New Zealand Medical Journal. 1995; 998(108):148-150.
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Mitchell EA, Nelson KP, Thompson JM, Stewart AW, Taylor BJ, Ford RP, Scragg R, Becroft DM, Allen EA, Hassall IB, et al. Travel and changes in routine do not increase the risk of sudden infant death syndrome. Acta Paediatr. 1994 Aug; 83(8):815-8. PMID: 7981557