Table. Multivariable Logistic Regression for Association of Patient Characteristics With Radical Prostatectomy.
| No. (%) of Patients | Odds Ratio (95% CI) | P value | |
|---|---|---|---|
| Year of diagnosis | |||
| 2004 | 13 030 (6.1) | 1 [Reference] | |
| 2005 | 12 904 (6.0) | 1.01 (0.94-1.08) | .81 |
| 2006 | 13 864 (6.5) | 1.09 (1.02-1.17) | .01 |
| 2007 | 15 005 (7.0) | 1.29 (1.21-1.37) | <.001 |
| 2008 | 16 391 (7.6) | 1.70 (1.60-1.81) | <.001 |
| 2009 | 14 771 (6.9) | 2.02 (1.89-2.15) | <.001 |
| 2010 | 16 972 (7.9) | 2.03 (1.91-2.16) | <.001 |
| 2011 | 17 716 (8.2) | 2.15 (2.03-2.29) | <.001 |
| 2012 | 16 407 (7.6) | 2.32 (2.18-2.47) | <.001 |
| 2013 | 17 370 (8.1) | 2.51 (2.36-2.67) | <.001 |
| 2014 | 17 919 (8.3) | 2.52 (2.37-2.68) | <.001 |
| 2015 | 20 384 (9.5) | 2.66 (2.50-2.82) | <.001 |
| 2016 | 22 239 (10.4) | 2.72 (2.56-2.88) | <.001 |
| Age group, y | |||
| ≤50 | 5638 (2.6) | 1 [Reference] | |
| >50-60 | 41 690 (19.4) | 0.54 (0.50-0.58) | <.001 |
| >60-70 | 87 479 (40.7) | 0.33 (0.31-0.35) | <.001 |
| >70-80 | 63 683 (29.6) | 0.08 (0.08-0.09) | <.001 |
| >80 | 16 482 (7.7) | 0.01 (0.01-0.01) | <.001 |
| Gleason score | |||
| ≤6 | 24 016 (11.2) | 1 [Reference] | |
| 3 + 4 | 26 495 (12.3) | 1.19 (1.13-1.24) | <.001 |
| 3 + 5 | 8108 (3.8) | 0.96 (0.89-1.03) | .21 |
| 4 + 3 | 17 618 (8.2) | 0.92 (0.88-0.97) | .003 |
| 4 + 4 | 75 260 (35.0) | 0.58 (0.56-0.61) | <.001 |
| 4 + 5 | 45 409 (21.1) | 0.64 (0.61-0.67) | <.001 |
| 5 + 4 | 12 686 (5.9) | 0.57 (0.53-0.60) | <.001 |
| 5 + 5 | 5380 (2.5) | 0.37 (0.34-0.41) | <.001 |
| Prostate-specific antigen level, ng/mL | |||
| 0.1-4.0 | 17 694 (8.2) | 1 [Reference] | |
| 4.1-<10 | 75 003 (34.9) | 0.91 (0.87-0.95) | <.001 |
| 10-≤20 | 36 245 (16.9) | 0.60 (0.58-0.63) | <.001 |
| >20 | 86 030 (40.0) | 0.34 (0.32-0.36) | <.001 |
| Clinical stage | |||
| T1 | 115 436 (53.7) | 1 [Reference] | |
| T2 | 70 356 (32.7) | 0.81 (0.79-0.83) | <.001 |
| T3 | 26 847 (12.5) | 0.53 (0.52-0.56) | <.001 |
| T4 | 2333 (1.1) | 0.21 (0.18-0.24) | <.001 |
| Charlson-Deyo comorbidity index | |||
| 0 | 175 464 (81.6) | 1 [Reference] | |
| 1 | 31 103 (14.5) | 1.63 (1.58-1.68) | <.001 |
| >1 | 8405 (3.9) | 1.27 (1.20-1.35) | <.001 |
| Race | |||
| White | 170 198 (79.2) | 1 [Reference] | |
| Black | 34 667 (16.1) | 0.57 (0.55-0.59) | <.001 |
| Other | 10 107 (4.7) | 0.96 (0.91-1.01) | .14 |
| Geographic location | |||
| New England | 13 407 (6.2) | 1 [Reference] | |
| Mid Atlantic | 32 135 (14.9) | 1.36 (1.29-1.43) | <.001 |
| South Atlantic | 45 920 (21.4) | 1.13 (1.07-1.19) | <.001 |
| Central | |||
| East North | 41 440 (19.3) | 1.42 (1.35-1.50) | <.001 |
| East South | 16 174 (7.5) | 2.51 (2.36-2.67) | <.001 |
| West North | 18 242 (8.5) | 2.24 (2.11-2.38) | <.001 |
| West South | 13 188 (6.1) | 2.70 (2.53-2.88) | <.001 |
| Mountain | 8466 (3.9) | 2.04 (1.90-2.19) | <.001 |
| Pacific | 26 000 (12.1) | 1.73 (1.64-1.83) | <.001 |
| Facility type | |||
| Community | 19 183 (8.9) | 1 [Reference] | |
| Academic | 79 248 (36.9) | 2.57 (2.45-2.69) | <.001 |
| Comprehensive | 89 912 (41.8) | 1.72 (1.64-1.80) | <.001 |
| Integrated | 26 629 (12.4) | 2.27 (2.16-2.39) | <.001 |
| Type of insurance coverage | |||
| Private | 80 164 (37.3) | 1 [Reference] | |
| Medicare, Medicaid, or other government | 127 452 (59.3) | 0.64 (0.62-0.66) | <.001 |
| Uninsured | 4148 (1.9) | 0.62 (0.57-0.67) | <.001 |
| Unknown | 3208 (1.5) | 0.52 (0.47-0.57) | <.001 |
| Income quartile | |||
| 1 (lowest) | 40 791 (19.0) | 1 [Reference] | |
| 2 | 46 970 (21.8) | 1.09 (1.05-1.14) | <.001 |
| 3 | 50 429 (23.5) | 1.11 (1.07-1.16) | <.001 |
| 4 | 76 782 (35.7) | 1.12 (1.07-1.17) | <.001 |
| No high school diploma, % | |||
| <7 | 56 837 (26.4) | 1.38 (1.32-1.44) | <.001 |
| 7-12.9 | 61 388 (28.6) | 1.19 (1.14-1.23) | <.001 |
| 13-20.9 | 53 776 (25.0) | 1.06 (1.02-1.09) | .003 |
| ≥21 | 42 971 (20.0) | 1 [Reference] | |
| Distance, km | |||
| ≤96 | 193 848 (90.2) | 1 [Reference] | |
| 96-192 | 11 589 (5.4) | 2.53 (2.40-2.67) | <.001 |
| >192 | 9535 (4.4) | 2.53 (2.39-2.67) | <.001 |
| Population type | |||
| Metropolitan | 177 270 (82.5) | 1 [Reference] | |
| Rural | 4710 (2.2) | 0.81 (0.75-0.88) | <.001 |
| Urban | 32 992 (15.3) | 0.90 (0.87-0.94) | <.001 |