Table 1. Patient characteristics in survivors and non-survivors.
| All Patients (N = 91) | Survivors (N = 81) | Non-survivors (N = 10) | p-value | |
| Age, years | 59.1±2.0 | 57.6±2.2 | 71.4±3.1 | 0.03 |
| Male:Female | 43∶48 | 39∶42 | 4∶6 | 0.63 |
| Racial background | 0.55 | |||
| Causian | 57 | 52 | 5 | |
| Hispanic | 18 | 16 | 2 | |
| Asian | 12 | 9 | 3 | |
| Black | 2 | 2 | 0 | |
| Others | 1 | 1 | 0 | |
| Height, m | 1.67±0.01 | 1.67±0.01 | 1.67±0.02 | 0.91 |
| Weight, kg | 75.0±2.0 | 75.3±2.3 | 71.5±4.8 | 0.58 |
| Body mass index | 27.2±0.9 | 27.4±1.1 | 25.85±1.9 | 0.58 |
| Comorbidities, no (%) | ||||
| Hypertension | 38 (41.8) | 33 (40.7) | 5 (50.0) | 0.64 |
| Diabetes | 34 (37.4) | 30 (37.0) | 4 (40.0) | 0.88 |
| Coronary disease | 29 (31.9) | 24 (29.6) | 5 (50.0) | 0.22 |
| Stroke | 13 (14.3) | 9 (11.1) | 4 (40.0) | 0.02 |
| Cirrhosis | 2 (2.2) | 1 (1.2) | 1 (10.0) | 0.07 |
| Kidney disease | 6 (6.6) | 4 (4.9) | 2 (20.0) | 0.08 |
| Chronic hemodialysis | 3 (3.3) | 3 (3.7) | 0 (0.0) | 0.55 |
| Thromboembolism | 2 (2.2) | 2 (2.5) | 0 (0.0) | 0.63 |
| Smoking | 14 (15.4) | 12 (14.8) | 2 (20.0) | 0.60 |
| Alcohol dependency | 13 (14.3) | 11 (13.6) | 2 (20.0) | 0.53 |
| Recreational drugs | 8 (8.8) | 7 (8.6) | 1 (10.0) | 0.83 |
| Immunocompromised | 6 (6.6) | 6 (7.4) | 0 (0.0) | 0.39 |
| Physiologic Score | ||||
| APACHE II | 21.5±1.9 | 19.2±1.7 | 37.0±4.5 | <0.01 |
| APACHE II Predicted mortality, % | 41.7±5.0 | 36.0±4.7 | 81.7±8.4 | <0.01 |
| Septic shock, no (%) | 9 (9.9) | 5 (6.2) | 4 (40.0) | 0.01 |
| Blood culture positive, no (%) | 24 (26.4) | 20 (24.7) | 4 (40.0) | 0.31 |
| Culture positive, no (%) | 59 (64.8) | 50 (61.7) | 9 (90.0) | 0.08 |
| Laboratories | ||||
| White blood cell, per mm3 | 17.3±1.4 | 17.5±1.6 | 16.0±3.6 | 0.76 |
| Percent bands, % | 27.1±3.5 | 26.3±3.6 | 34.3±13.5 | 0.51 |
| Hematocrit, % | 35.6±0.7 | 35.9±0.7 | 33.3±2.3 | 0.25 |
| Platelet, 103/µL | 287.7±17.1 | 284.0±17.3 | 317.3±70.3 | 0.54 |
| Glucose, mg/dL | 142.8±6.3 | 139.2±6.4 | 175.3±24.2 | 0.08 |
| Lactate, mmol/L | 3.2±0.3 | 3.1±0.3 | 3.7±0.9 | 0.51 |
| Source of Infection, no (%) | ||||
| Pneumonia | 31 (34.1) | 25 (30.9) | 6 (60.0) | 0.07 |
| Urinary tract | 24 (26.4) | 23 (28.4) | 1 (10.0) | 0.21 |
| Intra-abdominal | 8 (8.8) | 6 (7.4) | 2 (20.0) | 0.19 |
| Soft tissue | 2 (2.2) | 2 (2.5) | 0 (0.0) | 0.62 |
| Catheter related | 5 (5.5) | 4 (4.9) | 1 (10.0) | 0.52 |
| Others | 25 (27.5) | 24 (29.6) | 1 (10.0) | 0.19 |
Data are presented as mean ± standard error, or count (percentage of column). APACHE – Acute Physiology and Chronic Health Evaluation.