Table 3.
Logistic regression analysis: Odds ratio of mortality at 24 hours, 48 hours, and 7 days as compared to C-section for entire study period
| 24 hours | 48 hours | 7 days | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Variable | Odds Ratio | 95%CI | P-value | Odds Ratio | 95%CI | P-value | Odds Ratio | 95%CI | P-value |
| C-section | REF | REF | REF | REF | REF | REF | REF | REF | REF |
| Procedure Type | |||||||||
| General surgery | 10.68 | [2.32, 49.13] | 0.002 | 10.09 | [2.86, 35.6] | 0.0003 | 15.8 | [5.20, 48.1] | <0.0001 |
| Orthopedics | 6.81 | [1.31, 35.4] | 0.02 | 4.45 | [1.09, 18.1] | 0.04 | 5.79 | [1.69, 19.9] | 0.005 |
| Neurosurgery | 8.45 | [1.56, 45.8] | 0.01 | 6.45 | [1.56, 26.6] | 0.01 | 14.08 | [4.12, 48.1] | <0.0001 |
| Other surgeries | 3.09 | [0.60, 15.9] | 0.18 | 2.67 | [0.69, 10.4] | 0.16 | 3.53 | [1.07, 11.7] | 0.04 |
| Emergency | 4.30 | [1.97, 9.41] | 0.0003 | 3.95 | [1.97, 7.91] | 0.0001 | 4.40 | [2.46, 7.86] | <0.0001 |
| Pediatrics | 1.02 | [0.52, 2.03] | 0.95 | 1.05 | [0.59, 1.89] | 0.86 | 0.76 | [0.45, 1.28] | 0.30 |
| Trauma | 0.90 | [0.32, 2.53] | 0.84 | 1.11 | [0.44, 2.77] | 0.83 | 0.79 | [0.35, 1.77] | 0.57 |
| Date of Surgery | |||||||||
| Day 450 vs Day 0 | 0.55 | [0.25, 1.23] | 0.15 | 0.43 | [0.24, 0.76] | 0.003 | 0.58 | [0.38, 0.88] | 0.01 |
| Day 600 vs Day 450 | 0.11 | [0.02, 0.71] | 0.02 | 0.09 | [0.03, 0.33] | <0.001 | 0.13 | [0.05, 0.35] | <0.001 |
| Time of Surgery (N/W)* | 1.02 | [0.38, 2.76] | 0.97 | 1.13 | [0.47, 2.74] | 0.86 | 1.18 | [0.57,2.43] | 0.66 |
*
N/W – night or weekend case.
C-section was used as the reference variable, as it is the most commonly performed surgical procedure in low and middle income countries. P-values <0.05 are indicated in bold. Abbreviations: 95%CI – 95% confidence interval, C-section – Cesarean section, REF – reference value.