Table 1 Baseline characteristics of patients with charcoal burning suicide, stratified according to status of renal damage as acute kidney injury (creatinine 
1.2 mg/dL) or non-acute kidney injury (creatinine < 1.2 mg/dL) group (N = 126).
1.2 mg/dL) or non-acute kidney injury (creatinine < 1.2 mg/dL) group (N = 126).From: Acute Kidney Injury Predicts Mortality after Charcoal Burning Suicide
Variable | Acute kidney injury (N = 49) | Non-acute kidney injury (N = 77) | P value |
|---|---|---|---|
Age (year-old) | 35.5 ± 12.2 | 37.6 ± 11.4 | 0.309 |
Male, n (%) | 40 (81.6) | 44 (57.1) | 0.004** |
Carboxyhemoglobin (g/dL) | 20.7 ± 18.7 | 23.5 ± 17.9 | 0.408 |
Time elapsed between poisoning and hospital arrival (hour) | 7.0 ± 11.0 | 7.9 ± 14.0 | 0.822 |
Hypertension, n (%) | 2 (4.1) | 9 (11.7) | 0.140 |
Diabetes mellitus, n (%) | 4 (8.2) | 7 (9.1) | 0.857 |
Chronic viral hepatitis, n (%) | 3 (6.1) | 5 (6.5) | 0.934 |
Liver cirrhosis, n (%) | 2 (4.1) | 0 (0) | 0.074 |
Chronic pulmonary disease, n (%) | 3 (6.1) | 4 (5.2) | 0.825 |
Smoking habit, n (%) | 29 (59.2) | 32 (41.6) | 0.019* |
Alcohol consumption, n (%) | 24 (49.0) | 31 (40.3) | 0.040* |
