Table 5.
Multivariate regression analysis to determine independent risk factors of mortality
| Variable | Confidence | ||||
|---|---|---|---|---|---|
| Odd ratio | Interval (95%) | P value | |||
| Lower | Upper | ||||
| Etiology of NTC | CNS infections | 1.81 | 0.79 | 4.18 | 0.64 |
| Toxic causes | 4.03 | 1.52 | 10.68 | 0.014 | |
| Metabolic causes | 1.21 | 0.67 | 2.19 | NS | |
| ICH | 2.73 | 1.03 | 7.25 | 0.019 | |
| Clinical features of NTC | Hypothermia | 5.58 | 1.76 | 17.92 | 0.009 |
| Hypotension | 3.66 | 2.03 | 6.53 | 0.007 | |
| Abnormal respiration | 1.97 | 1.02 | 3.74 | 0.032 | |
| GCS < 6 | 2.42 | 1.17 | 5.03 | 0.007 | |
| Hypotonia | 1.49 | 1.36 | 4.58 | 0.006 | |
| Absent corneal reflex | 2.96 | 1.32 | 6.63 | 0.006 | |
| Shock | 3.73 | 1.24 | 11.26 | 0.009 | |
| Need for MV | 3.89 | 1.9 | 7.8 | 0.008 | |
CNS = central nervous system; GCS = Glasgow coma scale; ICH = intracranial hemorrhage; MV = mechanical ventilation; NS = nonsignificant; significant P value < 0.05; NTC = nontraumatic coma.