Variable | Univariate analysis | Multivariate analysis | ||
---|---|---|---|---|
OR(95 % CI) | P value | OR(95 % CI) | P value | |
Age | 1.01(0.99,1.03) | 0.3 | ||
Male gender | 1.37(0.66,2.83) | 0.4 | ||
Functional status | ||||
Partially dependent | 1 | - | ||
Totally dependent | 0.79(0.25,2.52) | 0.69 | ||
Totally independent | 0.79(0.38,1.61) | 0.51 | ||
Underlying medical conditions | ||||
DM | 0.90(0.46,1.75) | 0.75 | ||
Chronic renal failure | 1.89(0.82,4.33) | 0.13 | ||
Immunosuppresant medication | 1.66(0.56,4.94) | 0.36 | ||
Clinical presentation at admission | ||||
Consciousness disturbance | 1.77(0.88,3.56) | 0.11 | ||
Temperature > 38 °C | 1.58(0.77,3.22) | 0.21 | ||
Dyspnea | 2.68(1.32,5.45) | 0.007 | 2.29(0.81,6.43) | 0.117 |
Systolic BP < 90 mmHg | 2.03(1.02,4.06) | 0.045 | 1.14(0.4,3.2) | 0.810 |
SIRS | 2.08(0.73,5.88) | 0.17 | ||
Pus at infection site | 0.73(0.31,1.68) | 0.45 | ||
Admission lab data | ||||
Hemoglobulin (mg/dl) | 0.90(0.78,1.04) | 0.14 | ||
Leukocyte (103/mm3) | 0.99(0.95,1.02) | 0.38 | ||
Platelet (103/mm3) | 0.995(0.99,0.999) | 0.008 | 1(0.99,1) | 0.056 |
Potassium (mEq/l) | 1.57(1.06,2.31) | 0.023 | 2.2(1.2,4.02) | 0.011 |
Positive blood culture | 2.31(1.05,5.08) | 0.037 | 1.95(0.71,5.38) | 0.197 |
Time to surgery <12 h | 0.83(0.41,1.68) | 0.598 |