Table 1.
Characteristics of patients with kidney stones and the population of South Carolina
| Characteristics | Patients with Kidney Stone (n=152,925) | Census 2000 (n=4,012,012) | Census 2010 (n= 4,625,364) |
|---|---|---|---|
| Male, n (%) | 93,887(61.4) | 1,948,929 (48.6) | 2,250,101 (48.6) |
| Urban, n (%) | 116,411 (76.1) | 2,427,124 (60.5) | 3,067,809 (66.3) |
| Race, n (%) | |||
| White | 129,989 (85.0) | 2,695,560 (67.2) | 3,060,000 (64.1) |
| Black | 18,464 (12.1) | 1,185,216 (29.5) | 1,279,998 (27.7) |
| Asian | 530 (0.3) | 36,014 (0.9) | 58,307 (1.3) |
| American Indian | 216 (0.1) | 13,718 (0.3) | 18,727 (0.4) |
| Other | 3726 (2.4) | 81,504 (2.0) | 196,105 (4.2) |
| Age group, yr, n (%) | |||
| <10 | 396 (0.3) | 549,922 (13.7) | 598,150 (12.9) |
| 10–14 | 1012 (0.7) | 290,479 (7.2) | 297,286 (6.4) |
| 15–19 | 5015 (3.3) | 295,377 (7.4) | 328,989 (7.1) |
| 20–24 | 9631 (6.3) | 281,714 (7.0) | 332,494 (7.2) |
| 25–34 | 27,580 (18.0) | 560,831 (14.0) | 592,056 (12.8) |
| 35–44 | 32,547 (21.3) | 625,124 (15.6) | 601,292 (13.0) |
| 45–64 | 55,638 (36.4) | 923,232 (23.0) | 1,243,223 (27.0) |
| ≥65 | 21,106 (13.8) | 485,333 (12.1) | 631,874 (13.6) |
| Insurance, n (%) | |||
| Public | 38,130 (24.9) | ||
| Private | 89,777 (58.7) | ||
| Self-pay | 24,073 (15.7) | ||
| No insurance | 945 (0.6) |