Table 1.
Characteristics of men with low-risk prostate cancer in each US census region between 2010 and 2016.
| West (n = 29,320) | Northeast (n = 12,428) | South (n = 14,399) | Midwest (n = 4,633) | P-value | |
|---|---|---|---|---|---|
| Median age, years (IQR) | 63.0 (57.0–68.0) | 63.0 (57.0–68.0) | 63.0 (57.0–68.0) | 62.0 (57.0–68.0) | <0.001 |
| Age, n (%) | <0.001 | ||||
| <60 years | 10,067 (34.3%) | 4,311 (34.7%) | 5,062 (35.2%) | 1,730 (37.3%) | |
| 60–69 years | 14,373 (49.0%) | 5,706 (45.9%) | 6,762 (47.0%) | 2,110 (45.5%) | |
| ≥70 years | 4,880 (16.6%) | 2,411 (19.4%) | 2,575 (17.9%) | 793 (17.1%) | |
| Year, n (%) | <0.001 | ||||
| 2010–2012 | 16,095 (54.9%) | 6,467 (52.0%) | 7,388 (51.3%) | 2,582 (55.7%) | |
| 2013–2015 | 10,269 (35.0%) | 4,493 (36.2%) | 5,434 (37.3%) | 1,576 (34.0%) | |
| 2016 | 2,956 (10.1%) | 1,468 (11.8%) | 1,577 (11.0%) | 475 (10.3%) | |
| Race, n (%) | <0.001 | ||||
| White | 23,631 (80.6%) | 10,192 (82.0%) | 10,343 (71.8%) | 3,743 (80.8%) | |
| Black | 2,659 (9.1%) | 1,620 (13.0%) | 3,910 (27.2%) | 810 (17.5%) | |
| Other/Unknown | 3,030 (10.3%) | 616 (5.0%) | 146 (1.0%) | 80 (1.7%) | |
| Median PSA, ng/mL (IQR) | 5.5 (4.5–7.0) | 5.0 (4.1–6.3) | 5.2 (4.3–6.6) | 5.2 (4.2–6.6) | <0.001 |
| Number of positive cores | <0.001 | ||||
| 2 or less positive cores | 13,927 (47.5%) | 5,793 (46.6%) | 6,698 (46.5%) | 2,521 (54.4%) | |
| 3 or more positive cores | 9,952 (33.9%) | 3,399 (27.4%) | 4,653 (32.3%) | 1,424 (30.7%) | |
| Unknown | 5,441 (18.6%) | 3,236 (26.0%) | 3,048 (21.2%) | 688 (14.9%) | |
| Socioeconomic status, n (%) | <0.001 | ||||
| High SES | 16,597 (56.6%) | 10,814 (87.0%) | 3,628 (25.2%) | 1,593 (34.4%) | |
| Low SES | 12,720 (43.4%) | 1,613 (13.0%) | 10,771 (74.8%) | 3,040 (65.6%) | |
| Insurance, n (%) | <0.001 | ||||
| Insured | 27,323 (93.2%) | 9,892 (79.6%) | 13,159 (91.4%) | 4,195 (90.6%) | |
| Medicaid | 1,027 (3.5%) | 305 (2.5%) | 521 (3.6%) | 151 (3.3%) | |
| Uninsured | 174 (0.60%) | 181 (1.5%) | 187 (1.3%) | 40 (0.9%) | |
| Unknown | 796 (2.7%) | 2,050 (16.5%) | 532 (3.7%) | 247 (5.3%) | |
| Treatment, n (%) | <0.001 | ||||
| Active Surveillance | 10,693 (36.5%) | 3,362 (27.1%) | 3,407 (23.6%) | 1,377 (29.7%) | |
| Radical prostatectomy | 11,385 (38.8%) | 4,393 (35.4%) | 5,519 (38.3%) | 1,962 (42.4%) | |
| Radiation therapy | 7,242 (24.7%) | 4,673 (37.6%) | 5,473 (38.0%) | 1,294 (27.9%) |
IQR, Interquartile range.
Percentages may not add up to 100% due to rounding.