Table 1:
Description of cohort characteristics for patients undergoing Caesarean Delivery in Operating Rooms with the two types of monitors.
| Variable | OR 1 (Datex-Ohmeda) N=753 | OR 2 and 3 (Phillips) N=665 | Total N=1418 | |
|---|---|---|---|---|
| Age (years) | Mean (SD) | 32.7 (5.4) | 32.2 (5.5) | 32.4 (5.4) |
| BMI (kg/m2) | Mean (SD) | 34.5 (7.4) | 34.6 (7.0) | 34.5 (7.3) |
| N (N Missing) | 603 (150) | 436 (229) | 1039 (379) | |
| Temperature (F) | Mean (SD) | 97.9 (0.6) | 98.1 (0.7) | 98.0 (0.6) |
| N (N Missing) | 723 (30) | 633 (32) | 1356 (62) | |
| Procedure Time (minutes) | Mean (SD) | 66.2 (24.5) | 68.1 (28.9) | 67.1 (26.7) |
| Estimated Blood Loss (mL) | Mean (SD) | 772.2 (368.6) | 794.0 (370.0) | 782.4 (369.3) |
| N (N Missing) | 648 (105) | 571 (94) | 1219 (199) | |
| General Anesthesia | No | 725 (96.3%) | 626 (94.1%) | 1351 (95.3%) |
| Yes | 28 (3.7%) | 39 (5.9%) | 67 (4.7%) | |
| ASA Physical Status | 1 | 2 (0.37%) | 1 (0.2%) | 3 (0.2%) |
| 2 | 556 (73.8%) | 436 (65.6%) | 992 (70.0%) | |
| 3 | 187 (24.8%) | 224 (33.7%) | 411 (29.0%) | |
| 4 | 8 (1.1%) | 4 (0.6%) | 12 (0.9%) | |
| ASA Physical Status Emergency Modifer | No | 752 (99.9%) | 665 (100.0%) | 1417 (99.9%) |
| Yes | 1 (0.1%) | 0 (0.0%) | 1 (0.1%) | |
| Oxytocin Administration | No | 514 (68.3%) | 462 (69.5%) | 976 (68.8%) |
| Yes | 239 (31.7%) | 203 (30.5%) | 442 (31.2%) | |
| Uterotonic other than Oxytocin | No | 673 (89.4%) | 561 (84.4%) | 1234 (87.0%) |
| Yes | 80 (10.6%) | 104 (15.6%) | 184 (13.0%) |