Table 1.
Baseline characteristics for patients with endometrial cancer
| Characteristic | Total (n=5,065) | RS (n=315) | LS (n=3,248) | OS (n=1,503) | p-value | p-value | ||
|---|---|---|---|---|---|---|---|---|
| RS vs. LS | RS vs. OS | LS vs. OS | ||||||
| Age (yr) | ||||||||
| ≤ 54 | 2,414 (47.7) | 157 (50.0) | 1,529 (47.1) | 728 (48.4) | 0.473 | 0.324 | 0.621 | 0.378 |
| ≥ 55 | 2,651 (52.3) | 157 (50.0) | 1,719 (52.9) | 775 (51.6) | ||||
| Health insurance | ||||||||
| Health insurance | 4,941 (97.5) | 309 (98.3) | 3,166 (97.5) | 1,466 (97.5) | 0.647 | 0.351 | 0.386 | 0.939 |
| Medical aid | 124 (2.5) | 5 (1.7) | 82 (2.5) | 37 (2.5) | ||||
| Income level | ||||||||
| High (> 25th percentile) | 3,558 (70.2) | 233 (74.1) | 2,270 (69.9) | 1,055 (70.2) | 0.296 | 0.118 | 0.170 | 0.809 |
| Low (≤ 25th percentile) | 1,507 (29.8) | 82 (25.9) | 978 (30.1) | 447 (29.8) | ||||
| mCCI score | ||||||||
| 0–1 | 3,007 (59.4) | 192 (61.0) | 1,925 (59.3) | 890 (59.2) | 0.839 | 0.561 | 0.573 | 0.985 |
| ≥ 2 | 2,058 (40.6) | 123 (39.0) | 1,323 (40.7) | 613 (40.8) | ||||
| Hysterectomy year | ||||||||
| 2012–2014 | 2,770 (54.7) | 162 (51.4) | 1,788 (55.0) | 821 (54.6) | 0.460 | 0.214 | 0.297 | 0.780 |
| 2015–2016 | 2,295 (45.3) | 153 (48.6) | 1,460 (45.0) | 682 (45.4) | ||||
| Risk group (adjuvant therapy) | ||||||||
| Low risk | 4,062 (80.2) | 255 (81.2) | 2,603 (80.1) | 1,204 (80.1) | 0.905 | 0.659 | 0.672 | 0.997 |
| High risk | 1,003 (19.8) | 59 (18.8) | 645 (19.9) | 299 (19.9) | ||||
| Geographical location | ||||||||
| Metropolitan | 3,345 (66.0) | 227 (72.2) | 2,292 (70.6) | 825 (54.9) | < 0.001 | 0.539 | < 0.001 | < 0.001 |
| Other | 1,721 (34.0) | 87 (27.8) | 956 (29.4) | 678 (45.1) | ||||
| Chemotherapy | 759 (15.0) | 48 (15.2) | 486 (15.0) | 224 (14.9) | 0.991 | 0.904 | 0.893 | 0.969 |
| Radiotherapy | 444 (8.8) | 27 (8.5) | 285 (8.8) | 132 (8.8) | 0.989 | 0.883 | 0.888 | 0.999 |
| Chemotherapy and radiotherapy | 199 (3.9) | 16 (4.9) | 126 (3.9) | 58 (3.8) | 0.642 | 0.364 | 0.369 | 0.939 |
Values are presented as number (%). LS, laparoscopic surgery; mCCI, modified Charlson Comorbidity Index; OS, open surgery; RS, robotic surgery