Table 2.
Baseline characteristics for patients with PrORT/no‐PrORT after PSM
| Variables | Radiation | None | P |
|---|---|---|---|
| Age | 1.00 | ||
| <65 | 283 (60.9) | 283 (60.9) | |
| ≥65 | 182 (39.1) | 182 (39.1) | |
| Race | 1.00 | ||
| White | 389 (83.7) | 389 (83.7) | |
| Black | 48 (10.3) | 48 (10.3) | |
| Other | 28 (6.0) | 28 (6.0) | |
| Sex | 1.00 | ||
| Male | 258 (55.5) | 258 (55.5) | |
| Female | 207 (44.5) | 207 (44.5) | |
| Grade | 1.00 | ||
| I‐II | 161 (34.6) | 161 (34.6) | |
| III‐IV | 304 (65.4) | 304 (65.4) | |
| Pathology | 1.00 | ||
| Squamous | 141 (30.3) | 141 (30.3) | |
| Adenocarcinoma | 220 (47.3) | 220 (47.3) | |
| Others | 104 (22.4) | 104 (22.4) | |
| T stage | 1.00 | ||
| T1 | 95 (20.4) | 95 (20.4) | |
| T2 | 297 (63.9) | 297 (63.9) | |
| T3 | 73 (15.7) | 73 (15.7) | |