Table 3.
Operative time, conversion rates, blood loss and transfusion rates
| Surgical Start Time | |||||||
|---|---|---|---|---|---|---|---|
| Before 12p | After 12p | Total | |||||
| N | % | N | % | N | % | P-value | |
| Operative Time (minutes) | 0.102 | ||||||
| N | 134 | 244 | 378 | ||||
| Mean | 213.4 | 231.1 | 224.9 | ||||
| Minimum | 73.0 | 81.0 | 73.0 | ||||
| Maximum | 393.0 | 633.0 | 633.0 | ||||
| Surgical Complexity | 0.434 | ||||||
| Conversion to Open | 0.098 | ||||||
| No | 118 | 87.4 | 227 | 92.7 | 345 | 90.8 | |
| Yes | 17 | 12.6 | 18 | 7.4 | 35 | 9.2 | |
| Reason | 0.196 | ||||||
| Adhesions | 2 | 11.8 | 5 | 27.8 | 7 | 20.0 | |
| Unable to Keep Trendelenberg | 3 | 17.7 | 1 | 5.6 | 4 | 11.4 | |
| Difficulty to Achieve Visualization | 3 | 17.7 | 6 | 33.3 | 9 | 25.7 | |
| Vascular Injury | 1 | 5.9 | 3 | 16.7 | 4 | 11.4 | |
| Enterotomy | 1 | 5.9 | 1 | 5.6 | 2 | 5.7 | |
| Obesity | 1 | 5.9 | 2 | 11.1 | 3 | 8.6 | |
| Large and Bulky Lymph Nodes | 1 | 5.9 | 0 | 0.0 | 1 | 2.9 | |
| Uterus Removal | 4 | 23.5 | 0 | 0.0 | 4 | 11.4 | |
| Estimated Blood Loss (cc) | 0.751 | ||||||
| N | 135 | 245 | |||||
| Mean | 142.5 | 161.5 | 154.8 | ||||
| Minimum | 10 | 10 | 10 | ||||
| Maximum | 1000 | 35000 | 3500 | ||||
| Blood Transfusion | 0.845 | ||||||
| No | 125 | 92.6 | 224 | 91.4 | 349 | 91.8 | |
| Yes | 10 | 7.4 | 20 | 8.2 | 30 | 7.9 | |