Table 2.
Demographics of the 63,994 Patients Undergoing an Operation for Urinary Stone Disease
| Characteristic | |
|---|---|
| Age (years) | |
| Mean | 54.1 |
| SD | 15.6 |
| Surgerya, n (%) | |
| PCNL | 5491 (8.6) |
| SWL | 27,830 (43.5) |
| URS | 31,170 (48.7) |
| Payer, n (%) | |
| Private | 52,201 (81.6) |
| Medicare | 7497 (11.7 |
| Medi-Cal | 3248 (5.1) |
| Other | 1048 (1.6) |
| Race/ethnicity, n (%) | |
| White | 41,886 (65.5) |
| Hispanic | 11,249 (17.6) |
| Black | 2207 (3.4) |
| Asian | 5503 (8.6) |
| Other | 3149 (4.9) |
| Gender, n (%) | |
| Male | 35,645 (55.7) |
| Female | 28,349 (44.3) |
a
In all, 2130 patients had multiple types of procedures in the same encounter.
PCNL = percutaneous nephrolithotomy; SD = standard deviation; SWL = extracorporeal shockwave lithotripsy; URS = ureteroscopy.