Table 1.
Baseline characteristics of the study population
| Variables | Total (N = 164) | Survivors (N = 121) | Non-survivors (N = 43) | p Value |
|---|---|---|---|---|
| Age (years) | 52 [42–61] | 52 [43–60] | 55 [41–62] | 0.3 |
| Sex, n (%) | 0.8 | |||
| Male | 151 (92.1) | 111 (73.5) | 40 (26.5) | |
| Female | 13 (7.9) | 10 (76.9) | 3 (23.1) | |
| Location, n (%) | 0.3 | |||
| Perineum | 50 (30.5) | 35 (70) | 15 (30) | |
| Scrotum | 91 (55.5) | 66 (72.5) | 25 (27.5) | |
| Penoscrotal | 23 (14) | 20 (87) | 3 (13) | |
| Length of stay (days) | 11 [5–21] | 12 [7–23] | 7 [3–17] | 0.003 |
| Diabetes mellitus, n (%) | 99 (60.4) | 67 (55.4) | 32 (74.4) | 0.028 |
| Hypertension, n (%) | 40 (24.4) | 31 (25.6) | 9 (26.2) | 0.5 |
| Systolic blood pressure (mmHg) | 110 [70–150] | 115 [80–150] | 87 [70–122] | < 0.001 |
| Mean arterial pressure (mmHg) | 82 [69–92] | 88 [78–94] | 68 [64–69] | < 0.001 |
| Heart rate (x/min) | 88 [50–120] | 84 [55–119] | 108 [50–120] | < 0.001 |
| Respiratory rate (x/min) | 20 [16–29] | 18 [16–24] | 27 [18–29] | < 0.001 |
| C-reactive protein (mg/dL) | 10.6 [4.23–20.85] | 8.1 [3.6–17.83] | 14.5 [10.6–26.2] | 0.004 |
| Glucose (mmol/L) | 127 [96–201] | 122 [93–201] | 132 [103–217] | 0.4 |
| Hemoglobin (g/dL) | 11.25 ± 2.09 | 11.4 ± 2.07 | 10.8 ± 2.14 | 0.1 |
| White blood cells (103/µL) | 16.28 [11.86–21.65] | 16.02 [12.05–19.5] | 17.69 [11.1–26.6] | 0.2 |
| Sodium level (mmol/L) | 135 [131–139] | 135 [132–139] | 134 [ 130–138] | 0.5 |
| Serum creatinine (mg/dL) | 1.1 [0.8–1.54] | 0.99 [0.78–1.3] | 1.5 [1–2.1] | < 0.001 |
| Potassium level (mmol/L) | 4 [3.6–4.5] | 3.9 [3.6–4.5] | 4.2 [3.6–4.6] | 0.4 |
| Hematocrit (%) | 34.21 ± 6.77 | 34.62 ± 6.86 | 33.08 ± 6.44 | 0.2 |