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Table 2 Final electronic multicondition multivariate model of risk of 30 day readmission or deatha

From: Electronic medical record-based multicondition models to predict the risk of 30 day readmission or death among adult medicine patients: validation and comparison to existing models

Risk factor Adjusted odds ratio (95 % C.I.) P value
SpO2 < = 94 1.11 (1.02 - 1.21) 0.012
BUN < = 20 0.84 (0.77 - 0.92) 0.000
Systolic BP < = 100 1.12 (1.03 - 1.22) 0.007
Diastolic BP < = 62 1.37 (1.05 - 1.79) 0.019
Pulse > 99 1.29 (1.19 - 1.40) 0.000
Sodium > 145 1.48 (1.16 - 1.88) 0.001
BNP > 2400 or NT proBNP > 18000 1.28 (1.02 - 1.61) 0.034
Anion Gap > 18 1.57 (1.19 - 2.06) 0.001
Albumin < = 2 1.83 (1.34 - 2.50) 0.000
Albumin 2 – 3 1.45 (1.31 - 1.61) 0.000
CO2 > 30 1.34 (1.10 - 1.64) 0.004
CPK < = 60 1.20 (1.07 - 1.35) 0.002
HCT > 35 0.80 (0.74 - 0.87) 0.000
Lymphocyte < = 1.3 1.11 (1.01 - 1.21) 0.023
MCV > 100 1.24 (1.03 - 1.49) 0.022
Platelets < = 90 1.51 (1.24 - 1.84) 0.000
Platelets > 350 1.32 (1.16 - 1.49) 0.000
PT > 35 2.05 (1.42 - 2.96) 0.000
TSH > 7 1.48 (1.11 - 1.98) 0.008
AST > 40 1.28 (1.14 - 1.42) 0.000
Medicare payor 1.19 (1.08 - 1.31) 0.000
Medicaid payor 1.79 (1.55 - 2.08) 0.000
Male 1.14 (1.05 - 1.24) 0.001
Elective admission status 0.67 (0.59 - 0.77) 0.000
Prior ED visits in past year 1.03 (1.02 - 1.05) 0.000
Prior hospitalizations in past year 1.17 (1.13 - 1.21) 0.000
Age 1.01 (1.01 - 1.02) 0.000
Charlson Comorbidity index 1.09 (1.07 - 1.12) 0.000
  1. Abbreviations. BUN, blood urea nitrogen; BP, blood pressure; BNP, B-natriuretic peptide; CO2, carbon dioxide; CPK, creatinine kinase; TSH, thyroid stimulating hormone; AST, aspartate aminotransferase; HCT, hematocrity; MCV, mean cell volume aDerivation cohort; composite outcome of 30-day readmission or mortality