Table 4.
Baseline characteristics of PSM cohorts for FIGO stage IIB.
| Variable | Unmatched (complete) dataset | Matched (5:1) dataset | ||||
|---|---|---|---|---|---|---|
| CDS + RT (%) | CDS (%) | P | CDS + RT (%) | CDS (%) | P | |
| (n = 1199) | (n = 190) | (n = 950) | (n = 190) | |||
| Age | 0.016 | 0.474 | ||||
| <50 | 661 (55.1) | 87 (45.8) | 462 (48.6) | 87 (45.8) | ||
| ≥50 | 538 (44.9) | 103 (54.2) | 488 (51.4) | 103 (54.2) | ||
| Race | 0.288 | 0.370 | ||||
| White | 913 (76.1) | 146 (76.8) | 731 (76.9) | 146 (76.8) | ||
| Black | 126 (10.5) | 25 (13.2) | 99 (10.4) | 25 (13.2) | ||
| Other | 160 (13.3) | 19 (10.0) | 120 (12.6) | 19 (10.0) | ||
| Marital status | 0.331 | 0.506 | ||||
| Single | 295 (24.6) | 53 (27.9) | 243 (25.6) | 53 (27.9) | ||
| Married | 904 (75.4) | 137 (72.1) | 707 (74.4) | 137 (72.1) | ||
| Histologic type | 0.189 | 0.384 | ||||
| Squamous cell carcinoma | 812 (67.7) | 135 (71.1) | 655 (68.9) | 135 (71.1) | ||
| Adenocarcinoma | 139 (11.6) | 12 (6.3) | 97 (10.2) | 12 (6.3) | ||
| Adenosquamous carcinoma | 88 (7.3) | 15 (7.9) | 76 (8.0) | 15 (7.9) | ||
| Others | 160 (13.3) | 28 (14.7) | 122 (12.8) | 28 (14.7) | ||
| Primary site | 0.232 | 0.810 | ||||
| Cervix uteri | 899 (75.0) | 152 (80.0) | 765 (80.5) | 152 (80.0) | ||
| Endocervix | 238 (19.8) | 34 (17.9) | 161 (16.9) | 34 (17.9) | ||
| Exocervix | 25 (2.1) | 1 (0.5) | 12 (1.3) | 1 (0.5) | ||
| Overlapping lesion of cervix uteri | 37 (3.1) | 3 (1.6) | 12 (1.3) | 3 (1.6) | ||
| Grade | 0.110 | 0.743 | ||||
| I | 73 (6.1) | 6 (3.2) | 33 (3.5) | 6 (3.2) | ||
| II | 473 (39.4) | 72 (37.9) | 360 (37.9) | 72 (37.9) | ||
| III | 602 (50.2) | 98 (51.6) | 506 (53.3) | 98 (51.6) | ||
| IV | 51 (4.3) | 14 (7.4) | 51 (5.4) | 14 (7.4) | ||
| Nodal status | 0.733 | 0.506 | ||||
| Node negative | 672 (56.0) | 109 (57.4) | 520 (54.7) | 109 (57.4) | ||
| Node positive | 527 (44.0) | 81 (42.6) | 430 (45.3) | 81 (42.6) | ||
| Size | 0.379 | 0.552 | ||||
| ≤2 cm | 141 (10.8) | 22 (11.2) | 103 (10.8) | 20 (10.5) | ||
| 2–4 cm | 433 (33.1) | 75 (38.1) | 331 (34.8) | 74 (38.9) | ||
| >4 cm | 733 (56.1) | 100 (50.8) | 51.6 (54.3) | 96 (50.5) | ||
| Surgical method | <0.001 | 0.081 | ||||
| Local tumor destruction | 301 (25.1) | 21 (11.1) | 140 (14.7) | 21 (11.1) | ||
| Hysterectomy | 852 (71.1) | 165 (86.8) | 764 (80.4) | 165 (86.8) | ||
| Pelvic exenteration | 46 (3.8) | 4 (2.1) | 46 (4.8) | 4 (2.1) | ||
CDS: cancer-directed surgery; RT: radiotherapy.