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Table 5 Logistic regression analyses results for risk factors of mortality from lower gastrointestinal bleeding

From: Validation and modification of existing mortality prediction models for lower gastrointestinal bleeding: a retrospective study

  Univariable logistic regression analysis Multivariable logistic regression analysis
OR p-value 95% CI OR p-value 95% CI
Aged ≥ 75 years 2.110 0.021 1.120–3.977 1.203 0.641 0.553–2.619
Male sex 0.845 0.602 0.449–1.591    
Cancer 2.713 0.003 1.403–5.246 2.081 0.071 0.939–4.609
COPD 0.915 0.931 0.121–6.897    
Renal failure 1.559 0.298 0.675–3.601    
Heart failure 1.373 0.485 0.564–3.339    
Liver cirrhosis 2.172 0.057 0.976–4.836    
Antiplatelet 0.758 0.537 0.314–1.830    
Anticoagulant 1.144 0.783 0.439–2.979    
NSAIDs 0.992 0.983 0.489–2.013    
Heart rate (> 100 beats/min) 39.198 0.000 5.333–288.086 13.134 0.014 1.677–102.880
SBP (< 100 mmHg) 9.384 0.000 3.279–26.854 2.477 0.188 0.642–9.560
DBP (< 60 mmHg) 6.783 0.009 1.612–28.538 0.942 0.950 0.149–5.958
Hemoglobin (≤ 10.0 mg/dL) 2.712 0.013 1.238–5.945 1.023 0.982 0.146–7.176
Hematocrit (≤ 30.0%) 3.905 0.007 1.356–7.063 0.296 0.264 0.035–2.501
Platelet (≤ 100,000/uL) 3.809 0.000 2.013–7.206 1.103 0.811 0.494–2.463
BUN (≥ 30 mg/dL) 11.314 0.000 4.950–25.860 3.760 0.016 1.279–11.051
Creatinine (> 1.5 mg/dL) 4.429 0.000 2.336–8.395 1.070 0.881 0.442–2.590
Albumin (≤ 3.0 g/dL) 37.509 0.000 5.134–274.040 7.360 0.072 0.839–64.574
INR (> 1.50) 10.321 0.000 5.310–20.061 3.258 0.005 1.424–7.454
  1. OR, odds ratio; CI, confidence interval; COPD, chronic obstructive pulmonary disease; NSAIDs, non-steroidal anti-inflammatory drugs; SBP, systolic blood pressure; DBP, diastolic blood pressure; BUN, blood urea nitrogen; INR, international normalized ratio. Hosmer–Lemeshow test p-value 0.996(χ21.224; df 8)