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| Characteristic | N (%) |
|---|---|
| Age | |
| Mean ± SD; Range (years old) | 51.8±12.5; 15-96 |
| ≤ 50 | 5744 (47.9) |
| 50-69 | 5233 (43.6) |
| >60 | 1023 (8.5) |
| Sex | |
| Female | 11817 (98.5) |
| Male | 183 (1.5) |
| Center | |
| Public | 2709 (22.6) |
| Private | 9291 (77.4) |
| Insurance | |
| Insured | 11359 (94.6) |
| uninsured | 641 (5.4) |
Note: The frequency (percentage) of each variable was reported. Numeric variables were summarized using mean ± SD and range. Abbreviation: stand-ard deviation (SD).
