Table 1 Sample characteristics (n = 127,095)
n (%) | |
|---|---|
Total | |
Age group | |
18–39 years | 23,702 (18.6) |
40–64 years | 61,848 (48.7) |
≥ 65 years | 41,545 (32.7) |
Sex | |
Female | 69,964 (55.1) |
Male | 57,105 (44.9) |
ASAa physical status | |
II | 59,753 (47.0) |
III | 58,051 (45.7) |
IV | 9291 (7.3) |
Surgery length | |
< 60 min | 24,068 (18.9) |
60–119 min | 53,484 (42.1) |
120–179 min | 27,338 (21.5) |
180–239 min | 11,724 (9.2) |
240–299 min | 5272 (4.1) |
300 + min | 5209 (4.1) |
Anesthesia type | |
General | 122,802 (96.6) |
Regional | 3617 (2.9) |
Neuraxial | 676 (0.5) |
Anesthesia complexity | |
Base units 0 to 5 | 66,169 (52.1) |
Base units 6 to 10 | 49,153 (38.7) |
Base units 11 or greater | 10,854 (8.5) |
Facility type | |
Ambulatory surgical center | 16,750 (13.2) |
Hospital | 110,345 (86.8) |