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Mean time between incision and prophylaxis and average length of operation in both groups
| Variable | Overall | Pre-incision | Post-incision | Mean difference | P value |
|---|---|---|---|---|---|
| Time difference between prophylaxis and incision (minutes) | 19.40 (13.18) | 26.09 (9.67) | 13.00 (12.93) | 13.09 | 0.001 |
| Length of operation (minutes) | 60.71 (120.7) | 56.49 (168.6) | 64.74 (36.9) | 8.25 | 0.478 |
The data are presented as mean (standard deviation).
