Table 5.
Factors affecting mortality.
| Odd ratio | 95% CI | P | |
|---|---|---|---|
| Age | |||
| <65 yr old | 1.000 | .301 | |
| >65 yr old | 1.361 | 0.759 to 2.441 | |
| Hypoxia | |||
| Yes | 1.000 | .403 | |
| No | 1.735 | 0.477 to 6.305 | |
| Urea | |||
| <41 | 1.000 | .120 | |
| 41 | 1.618 | 0.882 to 2.968 | |
| Potassium | |||
| <4.74 | 1.000 | .200 | |
| >4.74 | 1.447 | 0.823 to 2.543 | |
| Platelets | |||
| >199 | 1.000 | .008* | |
| <199 | 0.482 | 0.280 to 0.828 | |
| CPR duration | |||
| <42 | 1.000 | <.001** | |
| >42 | 6.232 | 3.551 to 10.936 | |
Logistic regression analysis was used to determine the factors affecting mortality. Values for urea, potassium, thrombocyte, and CPR time were grouped in the model by establishing cutoffs based on the patients’ mortality results.
Abbreviation: CPR = cardiopulmonary resuscitation.
*
P < .05.
**
P < .001.