Table 2.
Update Data Set (n = 1847) | External Validation Data Set (n = 3822) | |
---|---|---|
Age, y, mean (SD) | 47 (16) | 50 (17) |
Female gender | 1023 (55) | 2059 (54) |
Current smoking | 595 (32) | 1145 (31) |
History of PONV | 452 (25) | 737 (28) |
Motion sickness | 182 (10) | 234 (9) |
High-risk surgery | 292 (16) | 546 (15) |
Inhalational anesthesia | 1126 (61) | 1971 (52) |
Outpatient surgery | 644 (35) | 928 (24) |
PONV occurrence within 24 hours | 653 (35) | 1340 (47) |
Values are presented as No. (%), unless stated otherwise. PONV, postoperative nausea and vomiting.