Table 3.
Comparison of Morbidity and Mortality for Patients Who Underwent Minimally Invasive Compared With Abdominal Hysterectomy and Robotically Assisted Compared With Laparoscopic Hysterectomy After Adjusting for Observed Confounders Using Inverse Probability of Treatment Weighting
| Inverse Probability of Treatment Weighting | Inverse Probability of Treatment Weighting | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Abdominal Hysterectomy (N = 4,762) | MIS Hysterectomy (N = 3,100) | P | MIS Versus Abdominal Hysterectomy | Laparoscopic Hysterectomy (N = 821) | Robotic-Assisted Hysterectomy (N = 1,157) | P | Robot-Assisted Versus Laparoscopic Hysterectomy | |||||
| No. | (%) | No. | (%) | OR (95% CI)* | No. | (%) | No. | (%) | OR (95% CI) | |||
| Any complication | 1,861 | (39.1) | 703 | (22.7) | < .001 | 0.46 (0.41 to 0.51) | 160 | (19.5) | 274 | (23.7) | 0.03 | 1.28 (1.03 to 1.59) |
| Intraoperative complications | 289 | (6.1) | 179 | (5.8) | .59 | 0.95 (0.78 to 1.15) | 52 | (6.3) | 60 | (5.2) | 0.29 | 0.84 (0.53 to 1.33) |
| Surgical site complications | 1,102 | (23.1) | 272 | (8.8) | < .001 | 0.32 (0.28 to 0.37) | 67 | (8.2) | 117 | (10.1) | 0.15 | 1.26 (0.92 to 1.72) |
| Medical complications | 1,094 | (23) | 444 | (14.3) | < .001 | 0.56 (0.50 to 0.63) | 82 | (10) | 164 | (14.1) | 0.01 | 1.48 (1.12 to 1.96) |
| Transfusion | 321 | (6.7) | 96 | (3.1) | < .001 | 0.44 (0.35 to 0.56) | 29 | (3.5) | 34 | (3.0) | 0.49 | 0.84 (0.51 to 1.39) |
| Perioperative death | 53 | (1.1) | 20 | (0.6) | .03 | 0.57 (0.34 to 0.95) | * | * | * | * | 0.09 | 0.14 (0.01 to 1.39) |
| Discharge status | < .001 | < .001 | ||||||||||
| Home | 4,193 | (88.1) | 2,812 | (90.7) | 629 | (76.6) | 1,107 | (95.6) | ||||
| Nursing home | 506 | (10.6) | 147 | (4.7) | 46 | (5.6) | 50 | (4.3) | ||||
| Dead | * | * | * | * | * | * | * | * | ||||
| Unknown | * | * | * | * | * | * | * | * | ||||
| Adjuvant therapy | ||||||||||||
| Brachytherapy | 1,475 | (31.0) | 1,042 | (33.6) | .01 | 1.13 (1.03 to 1.24) | 244 | (29.8) | 391 | (33.8) | .06 | 1.21 (0.99 to 1.46) |
| Pelvic radiotherapy | 1,492 | (31.3) | 1,062 | (34.3) | .01 | 1.14 (1.04 to 1.26) | 249 | (30.3) | 395 | (34.1) | .07 | 1.19 (0.99 to 1.48) |
| Chemotherapy | 637 | (13.4) | 421 | (13.6) | .81 | 1.02 (0.89 to 1.16) | 141 | (17.2) | 210 | (18.1) | .58 | 1.07 (0.84 to 1.35) |
Abbreviation: OR, odds ratio.
*
Suppressed due to small cell size.