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Normalization of plasma 25-hydroxy vitamin D is associated with reduced risk of surgery in Crohn's disease.
Ananthakrishnan AN, Cagan A, Gainer VS, Cai T, Cheng SC, Savova G, Chen P, Szolovits P, Xia Z, De Jager PL, Shaw SY, Churchill S, Karlson EW, Kohane I, Plenge RM, Murphy SN, Liao KP. Ananthakrishnan AN, et al. Among authors: chen p. Inflamm Bowel Dis. 2013 Aug;19(9):1921-7. doi: 10.1097/MIB.0b013e3182902ad9. Inflamm Bowel Dis. 2013. PMID: 23751398 Free PMC article.
Psychiatric co-morbidity is associated with increased risk of surgery in Crohn's disease.
Ananthakrishnan AN, Gainer VS, Perez RG, Cai T, Cheng SC, Savova G, Chen P, Szolovits P, Xia Z, De Jager PL, Shaw SY, Churchill S, Karlson EW, Kohane I, Perlis RH, Plenge RM, Murphy SN, Liao KP. Ananthakrishnan AN, et al. Among authors: chen p. Aliment Pharmacol Ther. 2013 Feb;37(4):445-54. doi: 10.1111/apt.12195. Epub 2013 Jan 7. Aliment Pharmacol Ther. 2013. PMID: 23289600 Free PMC article.
Improving case definition of Crohn's disease and ulcerative colitis in electronic medical records using natural language processing: a novel informatics approach.
Ananthakrishnan AN, Cai T, Savova G, Cheng SC, Chen P, Perez RG, Gainer VS, Murphy SN, Szolovits P, Xia Z, Shaw S, Churchill S, Karlson EW, Kohane I, Plenge RM, Liao KP. Ananthakrishnan AN, et al. Among authors: chen p. Inflamm Bowel Dis. 2013 Jun;19(7):1411-20. doi: 10.1097/MIB.0b013e31828133fd. Inflamm Bowel Dis. 2013. PMID: 23567779 Free PMC article. Clinical Trial.
Similar risk of depression and anxiety following surgery or hospitalization for Crohn's disease and ulcerative colitis.
Ananthakrishnan AN, Gainer VS, Cai T, Perez RG, Cheng SC, Savova G, Chen P, Szolovits P, Xia Z, De Jager PL, Shaw S, Churchill S, Karlson EW, Kohane I, Perlis RH, Plenge RM, Murphy SN, Liao KP. Ananthakrishnan AN, et al. Among authors: chen p. Am J Gastroenterol. 2013 Apr;108(4):594-601. doi: 10.1038/ajg.2012.471. Epub 2013 Jan 22. Am J Gastroenterol. 2013. PMID: 23337479 Free PMC article.
Methods to Develop an Electronic Medical Record Phenotype Algorithm to Compare the Risk of Coronary Artery Disease across 3 Chronic Disease Cohorts.
Liao KP, Ananthakrishnan AN, Kumar V, Xia Z, Cagan A, Gainer VS, Goryachev S, Chen P, Savova GK, Agniel D, Churchill S, Lee J, Murphy SN, Plenge RM, Szolovits P, Kohane I, Shaw SY, Karlson EW, Cai T. Liao KP, et al. Among authors: chen p. PLoS One. 2015 Aug 24;10(8):e0136651. doi: 10.1371/journal.pone.0136651. eCollection 2015. PLoS One. 2015. PMID: 26301417 Free PMC article.
Modeling disease severity in multiple sclerosis using electronic health records.
Xia Z, Secor E, Chibnik LB, Bove RM, Cheng S, Chitnis T, Cagan A, Gainer VS, Chen PJ, Liao KP, Shaw SY, Ananthakrishnan AN, Szolovits P, Weiner HL, Karlson EW, Murphy SN, Savova GK, Cai T, Churchill SE, Plenge RM, Kohane IS, De Jager PL. Xia Z, et al. Among authors: chen pj. PLoS One. 2013 Nov 11;8(11):e78927. doi: 10.1371/journal.pone.0078927. eCollection 2013. PLoS One. 2013. PMID: 24244385 Free PMC article. Clinical Trial.
Electronic Health Record Based Algorithm to Identify Patients with Autism Spectrum Disorder.
Lingren T, Chen P, Bochenek J, Doshi-Velez F, Manning-Courtney P, Bickel J, Wildenger Welchons L, Reinhold J, Bing N, Ni Y, Barbaresi W, Mentch F, Basford M, Denny J, Vazquez L, Perry C, Namjou B, Qiu H, Connolly J, Abrams D, Holm IA, Cobb BA, Lingren N, Solti I, Hakonarson H, Kohane IS, Harley J, Savova G. Lingren T, et al. Among authors: chen p. PLoS One. 2016 Jul 29;11(7):e0159621. doi: 10.1371/journal.pone.0159621. eCollection 2016. PLoS One. 2016. PMID: 27472449 Free PMC article.
A common type system for clinical natural language processing.
Wu ST, Kaggal VC, Dligach D, Masanz JJ, Chen P, Becker L, Chapman WW, Savova GK, Liu H, Chute CG. Wu ST, et al. Among authors: chen p. J Biomed Semantics. 2013 Jan 3;4(1):1. doi: 10.1186/2041-1480-4-1. J Biomed Semantics. 2013. PMID: 23286462 Free PMC article.
Normalization and standardization of electronic health records for high-throughput phenotyping: the SHARPn consortium.
Pathak J, Bailey KR, Beebe CE, Bethard S, Carrell DC, Chen PJ, Dligach D, Endle CM, Hart LA, Haug PJ, Huff SM, Kaggal VC, Li D, Liu H, Marchant K, Masanz J, Miller T, Oniki TA, Palmer M, Peterson KJ, Rea S, Savova GK, Stancl CR, Sohn S, Solbrig HR, Suesse DB, Tao C, Taylor DP, Westberg L, Wu S, Zhuo N, Chute CG. Pathak J, et al. Among authors: chen pj. J Am Med Inform Assoc. 2013 Dec;20(e2):e341-8. doi: 10.1136/amiajnl-2013-001939. Epub 2013 Nov 4. J Am Med Inform Assoc. 2013. PMID: 24190931 Free PMC article.
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