Table 3: Clinical and demographic characteristics of patients with clinically localized prostate cancer.
| Characteristics | Conservative management (n = 735) | Immediate treatment (n = 6,133) | P value | P value after PS matching |
|---|---|---|---|---|
| Age group (yr) | ||||
| 66-69 | 196 (26.67%) | 2611 (42.57%) | < 0.0001 | 0.9842 |
| 70-74 | 224 (30.48%) | 1971 (32.14%) | ||
| 75-79 | 191 (25.99%) | 1159 (18.90%) | ||
| 80-84 | 124 (16.87%) | 392 (6.39%) | ||
| Race | ||||
| White | 640 (87.07%) | 5236 (85.37%) | 0.4023 | - |
| Black | 60 (8.16%) | 540 (8.80%) | ||
| Other | 35 (4.76%) | 357 (5.82%) | ||
| Tumor grade | ||||
| Well-differentiated | 17 (2.31%) | 162 (2.64%) | 0.5973 | - |
| Moderately differentiated | 718 (97.69%) | 5971 (97.36%) | ||
| Tumor extension | ||||
| T1 | 675 (91.84%) | 5567 (90.77%) | 0.3429 | - |
| T2a | 60 (8.16%) | 566 (9.23%) | ||
| Tumor size | ||||
| < 888 mm | 15 (2.04%) | 561 (9.15%) | < 0.0001 | - |
| Microscopic foci | 14 (1.90%) | 116 (1.89%) | ||
| < 1 cm | 0 (0.00%) | 7 (0.11%) | ||
| < 2 cm | 0 (0.00%) | 1 (0.02%) | ||
| Size not stated | 706 (96.05%) | 5448 (88.83%) | ||
| Stage | ||||
| In-situ | 1 (0.14%) | 0 (0.00%) | 0.1070 | - |
| Localized | 734 (99.86%) | 6133 (100.00%) | ||
| Lymph nodes status | ||||
| No nodes involvement | 735 (100.00%) | 6133 (100.00%) | - | |
| Charlson comorbidity index | ||||
| 0 | 447 (60.82%) | 3860 (62.94%) | 0.4482 | - |
| 1 | 178 (24.22%) | 1444 (23.54%) | ||
| 2+ | 110 (14.97%) | 829 (13.52%) | ||
| Marital status | ||||
| Single | 67 (9.12%) | 491 (8.01%) | 0.2980 | - |
| Married | 668 (90.88%) | 5642 (91.99%) | ||