Table 2 Multivariable logistic regression model with stepwise variable selection
Variables | OR (95% CI) | p value |
|---|---|---|
Gender (female as reference) | 1.56 [1.36, 1.78] | < 0.001 |
Ethnicity (Asian as reference) | ||
Black | 0.85 [0.49, 1.50] | 0.574 |
Hispanic | 1.09 [0.57, 2.10] | 0.785 |
Unknown | 0.88 [0.51, 1.52] | 0.632 |
White | 0.74 [0.44, 1.26] | 0.261 |
ICU type (CCU as reference) | ||
CSRU | 1.39 [1.04, 1.85] | 0.027 |
MICU | 0.94 [0.72, 1.22] | 0.630 |
SICU | 0.88 [0.66, 1.18] | 0.391 |
TSICU | 0.82 [0.60, 1.11] | 0.200 |
Infection | 0.77 [0.67, 0.89] | < 0.001 |
Mechanical ventilation | 0.71 [0.61, 0.81] | < 0.001 |
Bilirubin (with every unit increment) | 0.97 [0.95, 0.98] | < 0.001 |
Lactate (with every unit increment) | 0.91 [0.88, 0.94] | < 0.001 |
Albumin (with every unit increment) | 1.53 [1.38, 1.70] | < 0.001 |
Temperature (with every unit increment) | 1.19 [1.10, 1.30] | < 0.001 |
Urinary pH (with every unit increment) | 1.05 [0.97, 1.13] | 0.252 |
Age (with each 20 years increment) | 0.69 [0.63, 0.75] | < 0.001 |
Serum creatinine (with every 0.1 mg/dl increment) | 0.98 [0.97, 0.99] | < 0.001 |
Maximum chloride (with every 20 mmol/l increment) | 2.94 [2.08, 4.16] | < 0.001 |
Minimum chloride (with every 20 mmol/l increment) | 0.44 [0.31, 0.60] | < 0.001 |
Maximum glucose (with every 20 mmol/l increment) | 0.99 [0.97, 1.00] | 0.164 |
Minimum bicarbonate (with every 5 mmol/l increment) | 1.12 [1.02, 1.22] | 0.014 |
Minimum hematocrit (with every 5% increment) | 0.91 [0.86, 0.97] | 0.002 |
BUN (with every 10 mmol/l increment) | 0.94 [0.90, 0.99] | 0.017 |
Maximum heart rate (with every 10 beats/min increment) | 1.03 [1.00, 1.06] | 0.095 |
Minimum systolic BP (with every 20 mmHg increment) | 1.13 [1.04, 1.23] | 0.003 |
Urinary creatinine (with every 50 mg/dl increment) | 0.71 [0.68, 0.75] | < 0.001 |
Maximum aPTT (for every 10 s increment) | 0.96 [0.93, 0.98] | < 0.001 |