Clinicopathological characteristics of patients with International Federation of Gynecology and Obstetrics (FIGO) stage I uterine serous carcinoma confined to the endometrium stratified by type of adjuvant treatment
| Characteristic | Observation (n=833) | CT only (n=353) | RT only (n=175) | CRT (n=348) | P value |
| Age (years) | 0.001 | ||||
| <65 | 329 (39.5%) | 174 (49.3%) | 64 (36.6%) | 165 (47.4%) | |
| ≥65 | 504 (60.5%) | 179 (50.7%) | 111 (63.4%) | 183 (52.6%) | |
| Race | 0.2 | ||||
| White | 618 (74.2%) | 252 (71.4%) | 131 (74.9%) | 246 (70.7%) | |
| Black | 170 (20.4%) | 75 (21.2%) | 39 (22.3%) | 87 (25%) | |
| Other/Unknown | 45 (5.4%) | 26 (7.4%) | (2.9%)* | 15 (4.3%) | |
| Co-morbidities | 0.061 | ||||
| No | 617 (74.1%) | 280 (79.3%) | 141 (80.6%) | 276 (79.3%) | |
| Yes | 216 (25.9%) | 73 (20.7%) | 34 (19.4%) | 72 (20.7%) | |
| History of another tumor | 0.74 | ||||
| No | 663 (79.6%) | 275 (77.9%) | 143 (81.7%) | 280 (80.5%) | |
| Yes | 170 (20.4%) | 78 (22.1%) | 32 (18.3%) | 68 (19.5%) | |
| Insurance | 0.002 | ||||
| Private | 343 (41.2%) | 177 (50.1%) | 62 (35.4%) | 175 (50.3%) | |
| Government | 478 (57.4%) | 168 (47.6%) | 110 (62.9%) | 169 (48.6%) | |
| Uninsured/Unknown | 12 (1.4%) | (2.3%)* | (1.7%)* | (1.1%)* | |
| Reporting facility | 0.005 | ||||
| Academic | 428 (51.4%) | 192 (54.4%) | 108 (61.7%) | 212 (61.3%) | |
| Non-academic | 404 (48.6%) | 161 (45.6%) | 67 (38.3%) | 134 (38.7%) | |
| Tumor size (cm) | 0.03 | ||||
| <2 | 301 (36.1%) | 127 (36%) | 62 (35.4%) | 125 (35.9%) | |
| ≥2 | 221 (26.5%) | 126 (35.7%) | 54 (30.9%) | 95 (27.3%) | |
| Unknown | 311 (37.3%) | 100 (28.3%) | 59 (33.7%) | 128 (36.8%) | |
| Para-aortic LND | 0.002 | ||||
| No | 120 (24.6%) | 77 (29.2%) | 27 (24.1%) | 41 (15.3%) | |
| Yes | 368 (75.4%) | 187 (70.8%) | 85 (75.9%) | 227 (84.7%) | |
| Omentectomy | 0.028 | ||||
| No | 210 (48.1%) | 124 (51%) | 41 (41.4%) | 91 (38.7%) | |
| Yes | 227 (51.9%) | 119 (49%) | 58 (58.6%) | 144 (61.3%) | |
| Approach | 0.38 | ||||
| MIS | 297 (63.9%) | 151 (64.3%) | 60 (63.2%) | 145 (66.2%) | |
| Open | 168 (36.1%) | 84 (35.7%) | 35 (36.8%) | 74 (33.8%) |
*n<10. Missing values: approach 695 cases, facility type 3 cases, PaLND 577 cases, omentectomy 695 cases.
CRT, chemotherapy and radiation therapy; CT, chemotherapy; Hx, history; LND, lymph node dissection/sampling; MIS, minimally invasive surgery; PaLND, para-aortic lymph node dissection; RT, radiation therapy.