Table 3.
Patient characteristics by surgery treatment (n = 360).
| Characteristics | Level | Surgery (n = 235) | Non-surgery/unknown (n = 125) | P-value |
|---|---|---|---|---|
| Age | Mean ± SD | 59.94 ± 8.69 | 68.09 ± 9.69 | <0.001 |
| Median (range) | 60 (40–88) | 67 (48–90) | ||
| ≤65 | 171 (72.8%) | 59 (47.2%) | <0.001 | |
| >65 | 64 (27.2%) | 66 (52.8%) | ||
| Race | White | 197 (83.8%) | 89 (71.2%) | 0.010 |
| Black | 24 (10.2%) | 27 (21.6%) | ||
| Others/unknown | 14 (6.0%) | 9 (7.2%) | ||
| Marital status | Married | 175 (74.5%) | 58 (46.4%) | <0.001 |
| Unmarried | 49 (20.9%) | 39 (31.2%) | ||
| Unknown | 11 (4.7%) | 28 (22.4%) | ||
| Tumor grade | Low | 58 (24.7%) | 28 (22.4%) | 0.028 |
| High | 170 (72.3%) | 85 (68.0%) | ||
| Unknown | 7 (3.0%) | 12 (9.6%) | ||
| PSA (ng/ml) | <10 | 148 (63.0%) | 53 (42.4%) | <0.001 |
| ≥10~ <20 | 43 (18.3%) | 19 (15.2%) | ||
| ≥20 | 24 (10.2%) | 33 (26.4%) | ||
| Unknown | 20 (8.5%) | 20 (16.0%) | ||
| Gleason score | ≤6 | 17 (7.2%) | 15 (12.0%) | 0.085 |
| 7 | 75 (31.9%) | 31 (24.8%) | ||
| ≥8 or primary = 5 | 24 (10.2%) | 21 (16.8%) | ||
| Unknown | 119 (50.6%) | 58 (46.4%) | ||
| Radiation therapy | Yes | 22 (9.4%) | 64 (51.2%) | <0.001 |
| None/unknown | 213 (90.6%) | 61 (48.8%) |
Low tumor grade, Well and moderately differentiated tumor grade; High tumor grade, Poorly and undifferentiated tumor grade; PSA, prostate specific antigen; The p-value was calculated by the chi-square test for categorical covariates.