Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| Variables | Total (n = 7,885) | Group I (n = 2,135) | Group II (n = 2,962) | Group III (n = 2,788) |
|---|---|---|---|---|
| Any surgery | 1,509 (19.1) | 905 (42.4) | 477 (16.1) | 127 (4.6) |
| 1 time | 1,162 (14.7) | 632 (29.6) | 413 (13.9) | 117 (4.2) |
| 2 times | 280 (3.6) | 216 (10.1) | 54 (1.8) | 10 (0.4) |
| 3 times | 62 (0.8) | 52 (2.4) | 10 (0.3) | 0 (0) |
| ≥ 4 times | 5 (0.1) | 5 (0.2) | 0 (0) | 0 (0) |
Data are presented as number (%).
