Table 2.
Baseline characteristics and surgical details of the pre-awareness and post-awareness groups
| Pre-awareness (n = 150) |
Post-awareness (n = 150) |
p value | ||
|---|---|---|---|---|
| Age in years, mean ± SD | 61.8 ± 12.2 | 65.1 ± 12.7 | 0.024a | |
| ASA classification, n (%) | 0.757b | |||
| I/II | 124 (82.7) | 126 (84.0) | ||
| III/IV | 26 (17.3) | 24 (16.0) | ||
| (Suspected) diagnosis, n (%) | 0.110b | |||
| Ovarian cancer | 115 (76.7) | 114 (76.0) | ||
| Uterine cancer | 27 (18.0) | 34 (22.7) | ||
| Cervical cancer | 8 (5.3) | 2 (1.3) | ||
| Histological subtype, n (%) | 0.111b | |||
| Benign | 37 (24.7) | 27 (18.0) | ||
| Borderline / hyperplasia | 14 (9.3) | 8 (5.3) | ||
| Malignant | 99 (66.0) | 115 (76.7) | ||
| Surgical approach, n (%) | > 0.999c | |||
| Midline incision | 147 (98.0) | 147 (98.0) | ||
| Transverse incision | 3 (2.0) | 3 (2.0) | ||
| Operation time in minutes, mean ± SD | 138.9 ± 72.0 | 142.7 ± 67.5 | 0.632a | |
| Type of surgery (only ovarian included), n (%) | 0.027b | |||
| Explorative | 50 (43.5) | 40 (35.1) | ||
| Staging | 13 (11.3) | 6 (5.3) | ||
| Primary cytoreductive | 11 (9.6) | 25 (21.9) | ||
| Secondary cytoreductive | 41 (35.7) | 43 (37.7) | ||
| Additional surgical procedure, n (%) | ||||
| Open-close (inoperable) | 1 (0.7) | 5 (3.3) | 0.214c | |
| Anastomosis | 6 (4.0) | 7 (4.7) | 0.777b | |
| Diverting stoma | 6 (4.0) | 9 (6.0) | 0.427b | |
| Lymphadenectomy | 34 (22.7) | 27 (18.0) | 0.315b | |
| Extensive upper abdominal surgery * | 4 (2.7) | 8 (5.3) | 0.239b | |
Group differences were tested using the independent samples t-test a, Chi-square test b, or Fisher’s exact test c. ASA = American Society of Anesthesiologists, n = number of patients, SD = standard deviation. * Includes diaphragmatic stripping, partial liver resection, or splenectomy