| Variables | Internal (n = 266) | External (n = 60) | COR (95% CI) | p-value | ||
|
| N | % | N | % | ||
| Anesthesia: Type - General - combined regional |
114 152 |
42.9 57.1 |
38 22 |
63.3 36.7 | 2.3 (1.3 - 4.1) | 0.004** |
| Antibiotics: Type - 2nd generation cephalosporin - Others (Curam or Flagel) |
154 112 |
57.9 42.1 |
46 14 |
76.7 23.3 | 0.42 (0.22 - 0.79) | 0.007* |
| Duration - Before 60 mint of skin incision - Within 60 mint of skin incision |
94 134 |
35.3 50.4 |
34 16 |
56.7 26.7 | 0.33 (0.172 - 0.63) | 0.0006** |
| - Before 60 mint of skin incision - After 60 mint of skin incision | 94 38 | 35.3 14.3 | 34 10 | 56.7 16.7 | 0.72 (0.33 - 1.62) | 0.434 |
| Taking antacids ● Yes ● No |
264 2 |
99.2 0.8 |
60 0 |
100 0 | UD | 1.000 |
| Taking antiemetic ● Yes ● No |
264 2 |
99.2 0.8 |
60 0 |
100 0 | UD | 1.000 |
| Thrombiprophylaxis: Given: ● Yes ● No |
204 62 |
76.7 23.3 |
52 8 |
86.7 13.3 | 0.51 (0.23 - 1.12) | 0.089 |
|
| N = 204 | % | N = 52 | % |
|
|
| Duration: (N = 256) ● For 10 days ● Less than10 days |
82 122 |
40.2 59.8 |
4 48 |
7.7 92.3 | 8.1 (2.80 - 23.23) | 0.000** |