Demographic characteristics related to the CO poisoning outcome
| Variables | Total | Non-poor outcome (n=518) | Poor outcome (n=116) | P value |
| n (%)/mean±SD | n (%)/mean±SE | n (%)/mean±SE | ||
| Age | 37.40±16.79 | 35.77±0.73 | 43.14±1.56 | <0.001 |
| Height | 162.11±14.85 | 161.53±0.78 | 164.00±0.86 | 0.035 |
| Weight | 59.63±15.60 | 59.11±0.77 | 60.06±1.58 | 0.608 |
| BMI | 22.43±3.99 | 22.26±0.19 | 22.70±0.42 | 0.357 |
| Sex | 0.319 | |||
| Men | 296 (46.7) | 237 (45.8) | 59 (50.9) | |
| Women | 338 (53.3) | 281 (54.2) | 57 (49.1) | |
| Deliberate* | <0.001 | |||
| No | 309 (49.8) | 276 (54.5) | 33 (28.9) | |
| Yes | 311 (50.2) | 230 (45.5) | 81 (71.1) | |
| Smoking† | 0.161 | |||
| No | 283 (58.6) | 230 (60.2) | 53 (52.5) | |
| Yes | 200 (41.4) | 152 (39.8) | 48 (47.5) | |
| Drinking† | 0.115 | |||
| No | 349 (72.6) | 282 (74.2) | 67 (66.3) | |
| Yes | 132 (27.4) | 98 (25.8) | 34 (33.7) | |
| Psychosis‡ | <0.001 | |||
| No | 428 (69.8) | 365 (73.0) | 63 (55.8) | |
| Yes | 185 (30.2) | 135 (27.0) | 50 (44.2) | |
| Diabetes mellitus‡ | 0.002 | |||
| No | 566 (93.9) | 467 (95.3) | 99 (87.6) | |
| Yes | 37 (6.1) | 23 (4.7) | 14 (12.4) | |
| Hypertension‡ | <0.001 | |||
| No | 539 (89.4) | 451 (92.0) | 88 (77.9) | |
| Yes | 64 (10.6) | 39 (8.0) | 25 (22.1) |
*Patients exposed to CO intentionally or by accident.
†Patients’ habits.
‡Patients’ chronic diseases.
BMI, body mass index; CO, carbon monoxide.