Table 4: Risk factors for mortality in patients with necrotizing fasciitis.
Factors |
Patients number/percentage |
Died/percentage |
P-value |
Age ≥ 40 yr |
341 (71.6%) |
19 (55.9%) |
0.178 |
Acidosis (pH < 7.35) |
312 (65.5%) |
26 (76.5%) |
0.002 |
Leukocytosis (> 12 × 109/L) |
326 (68.5%) |
23 (67.6%) |
0.039 |
Truncal location |
9 (1.9%) |
8 (23.5%) |
0.036 |
Hypoalbuminemia (< 30g/L) |
268 (56.3%) |
23 (67.6) |
0.004 |
Anemia (< 10mg/dL) |
137 (28.8%) |
7 (20.6%) |
0.152 |
Thrombocytopenia (< 100 x 109/L) |
37 (7.8%) |
2 (0.6%) |
0.149 |
Hypotension |
53 (11.1%) |
3 (8.8%) |
0.496 |
Diabetes mellitus |
128 (26.9) |
6 (17.6%) |
0.953 |
Azotemia (blood urea nitrogen > 5.4 mmol/ L) |
226 (47.5%) |
16 (47.1%) |
0.093 |