Table 1.
Patient Characteristics by Physician Practice Type
| Solo | Group | Missing | |||
|---|---|---|---|---|---|
| Mean (Standard Deviation) or n (%) | p-value | ||||
| N=2,749 | N=9,658 | N=536 | |||
| GnRH agonist overuse | 709 (25.8%) | 1,616(16.7%) | 75 (14.0%) | <0.001 | |
| MMA Implementation Period | <0.001 | ||||
| Pre-MMA | 1,601 (58.2%) | 5,202 (53.9%) | 221 (41.2%) | ||
| MMA Implementation | 590 (21.5%) | 2,261 (23.4%) | 139 (25.9%) | ||
| Post-MMA | 558 (20.3%) | 2,195 (22.7%) | 176 (32.8%) | ||
| T Stage | 0.09 | ||||
| T1 | 2,156 (78.4%) | 7,747 (80.2%) | 435 (81.2%) | ||
| T2 | 593 (21.6%) | 1,911 (19.8%) | 101 (18.8%) | ||
| Grade | <0.001 | ||||
| Well-differentiated, 2–4 | 188 (6.8%) | 441 (4.6%) | 21 (3.9%) | ||
| Moderately-differentiated, 5–7* | 2,496 (90.8%) | 9,023 (93.4)% | 506 (94.4%) | ||
| Missing | 65 (2.4%) | 194 (2.0%) | 9 (1.7%) | ||
| Comorbidities | <0.001 | ||||
| 0 | 1,754 (63.8%) | 6,569 (68.0%) | 385 (71.8%) | ||
| 1 | 633 (23.0%) | 2,041 (21.1%) | 99 (18.5%) | ||
| 2 | 197 (7.2%) | 643 (6.7%) | 30 (5.6%) | ||
| ≥3 | 165 (4.6%) | 405 (4.2%) | 22 (6.0%) | ||
| Mean Age (SD) | 74.9 (6.2) | 73.9 (6.1) | 73.7 (6.0%) | <0.001 | |
| Race/ethnicity | <0.001 | ||||
| Non-Hispanic White | 1,993 (72.5%) | 7,685 (79.6%) | 398 (74.3%) | ||
| Non-Hispanic Black | 179 (6.5%) | 632 (6.5%) | 48 (9.0%) | ||
| Hispanic | 310 (11.3%) | 618 (6.4%) | 40 (7.5%) | ||
| Other | 187 (6.8%) | 306 (3.2%) | 34 (6.3%) | ||
| Missing | 80 (2.9%) | 417 (4.3%) | 16 (3.0%) | ||
| Marital Status | <0.001 | ||||
| Not Married | 603 (19.0%) | 1,833 (19.7%) | 114 (21.9%) | ||
| Married | 1,791 (65.2% | 6,689 (69.3% | 374 (69.8%) | ||
| Missing | 355 (12.9%) | 1,136 (11.8%) | 48 (9.0%) | ||
| Visits in Previous Year | <0.001 | ||||
| 0–2 visits | 552 (20.1%) | 1,798 (18.6%) | 100 (18.7%) | ||
| 3–5 visits | 1,090 (39.7%) | 4,292 (44.4% | 257 (47.9%) | ||
| ≥6 visits | 1,107 (40.3% | 3,568 (36.9%) | 179 (33.4%) | ||
| Primary Care Consultation | 1,484 (54.0%) | 5,462 (56.6%) | 312 (58.2%) | 0.03 | |
| Radiation Oncology Consultation | 360 (13.1%) | 1,510 (15.6%) | 90 (16.8%) | 0.003 | |
| Medical Oncology Consultation | 80 (2.9%) | 367 (3.8%) | 25 (4.7%) | 0.04 | |
| Urology Consultation | 2,718 (98.9%) | 9,559 (99.0%) | 531 (99.1%) | 0.87 | |
| Rural Residence | 55 (2.0%) | 1484 (1.9%) | 8 (1.5%) | 0.73 | |
| SEER Region | <0.001 | ||||
| Seattle | 141 (5.1%) | 417 (4.3%) | 13 (2.4%) | ||
| Connecticut | 139 (5.1%) | 633 (6.6%) | 10 (1.9%) | ||
| Detroit | 192 (7.0%) | 686 (7.1%) | 30 (5.6%) | ||
| Hawaii | 29 (1.1%) | 83 (0.9%) | 10 (1.9%) | ||
| Iowa | 58 (2.1%) | 718 (7.4% | 23 (4.3%) | ||
| New Mexico | 132(4.8%) | 346 (3.6%) | 13 (2.4%) | ||
| California | 1,356 (49.3%) | 3,448 (35.7%) | 272 (50.7%) | ||
| Utah | 57 (2.1%) | 481 (5.0%) | 18 (3.4%) | ||
| Georgia | 52 (1.9%) | 267 (2.8%) | 25 (4.7%) | ||
| Kentucky | 267 (9.7%) | 964 (10.0%) | 29 (5.4%) | ||
| New Jersey | 326 (11.9%) | 1,615 (16.7%) | 93 (17.4%) | ||
| Median Income of Patients' Communities | <0.001 | ||||
| <$35,031 | 700 (25.5%) | 1,876 (19.4%) | 106 (19.8%) | ||
| $35,051–$46,079 | 674 (24.5%) | 2,432 (25.2%) | 108 (20.2%) | ||
| $46,084–$60,668 | 618 (22.5%) | 2,386 (24.7%) | 139 (25.9%) | ||
| $60,669–$200,008 | 632 (23.0%) | 2,556 (26.5%) | 157 (29.3%) | ||
| Missing | 125 (4.6%) | 408 (4.2%) | 26 (4.9%) | ||
| Proportion of Patient's Community w/o High-school Education | <0.001 | ||||
| 0%–9.7% | 584 (21.2%) | 2,589 (26.8%) | 156 (29.1%) | ||
| 9.7%–15.5% | 567 (20.6%) | 2,441 (25.3%) | 132 (24.6%) | ||
| 15.5%–25.2% | 652 (23.7%) | 2,233 (23.1%) | 100 (18.7%) | ||
| 25.2%–100% | 823 (29.9%) | 1,992 (20.6%) | 122 (22.8%) | ||
| Missing | 123 (4.5%) | 403 (4.2%) | 26 (4.9%) | ||
N=12,943
P-values by ANOVA for continuous variables, chi2 test for binary/categorical variables