Table II.
Detailed surgical and histological features of patients in the two study groups.
| Variable | All patients (n=289) | Group A (n=37) | Group B (n=252) | P-value |
|---|---|---|---|---|
| Lymph nodes removed, n | >0.05 | |||
| Mean ± SD | 28.8±7.3 | 29.5±6.6 | 28.7±7.4 | |
| Range | 16.1–41.9 | |||
| Tumor size, mm | <0.001 | |||
| Mean ± SD | 4.0±0.7 | 3.3±0.7 | 4.1±0.6 | |
| Range | 2.1–5.8 | |||
| Endometrial hyperplasia, n (%) | <0.01 | |||
| Yes | 40 (13.8) | 11 (29.7) | 29 (11.5) | |
| No | 249 (86.2) | 26 (70.3) | 223 (88.5) | |
| Endometrial polyps, n (%) | <0.001 | |||
| Yes | 42 (14.5) | 14 (37.8) | 28 (11.1) | |
| No | 247 (85.5) | 23 (62.2) | 224 (88.9) | |
| Lymphovascular space involvement, n (%) | <0.001 | |||
| Yes | 105 (36.3) | 4 (10.8) | 101 (40.1) | |
| No | 184 (63.7) | 33 (89.2) | 151 (59.9) | |
| Lymph node involvement, n (%) | <0.05 | |||
| Yes | 55 (19.0) | 2 (5.4) | 53 (21.0) | |
| No | 234 (81.0) | 35 (94.6) | 199 (79.0) | |
| Myometrial involvement <50%, n (%) | <0.001 | |||
| Yes | 106 (36.7) | 26 (70.3) | 80 (31.7) | |
| No | 183 (63.3) | 11 (29.7) | 172 (68.3) | |
| Positive peritoneal cytology, n (%) | >0.05 | |||
| Yes | 9 (3.1) | 1 (2.7) | 8 (3.2) | |
| No | 280 (96.9) | 36 (97.3) | 244 (96.8) | |
| Tumor grading, n (%) | =0.05 | |||
| G1 | 116 (40.1) | 19 (51.4) | 97 (38.5) | |
| G2 | 130 (45.0) | 16 (43.2) | 114 (45.2) | |
| G3 | 43 (14.9) | 2 (5.4) | 41 (16.3) | |
| Surgical approach, n (%) | >0.05 | |||
| Laparoscopy | 58 (20.1) | 8 (21.6) | 50 (19.8) | |
| Laparotomy | 231 (79.9) | 29 (78.4) | 202 (80.2) |
Group A, adenomyosis present; Group B, adenomyosis absent; SD, standard deviation.