Table 1. Patients characteristics.
| Patients with of PONV (3503, 10.4%) | Patients without of PONV (30173, 89.6%) | ||
|---|---|---|---|
| Gender (M/F) | 941 (26.9%)/2562 (73.1%) | 15175 (50.1%)/14998 (49.9%) | |
| Age (year) | 54.0 ± 17.2 | 57.6 ± 17.2 | |
| Body Mass Index(BMI, kg/m2) | 23.2 ± 4.64 | 23.3 ± 4.32 | |
| Duration of surgery (min) | 183.5 ± 132.9 | 201.1 ± 173.0 | |
| Duration of anesthesia (min) | 255.1 ± 147.9 | 274.9 ± 187.1 | |
| Total infusion volume (ml) | 1521.6± 1094.8 | 1809.2± 1594.2 | |
| Total bleeding (ml) | 183.7± 418.4 | 183.5± 1041.3 | |
| Total blood transfusion volume (ml) | 51.2± 309.8 | 128.1± 927.8 | |
| Total urine volume (ml) | 381.7± 483.9 | 287.8± 491.1 | |
| Laparoscopic surgery (n) | 676 | 4,882 | |
| Non-laparoscopic surgery (n) | 2,827 | 25,291 | |
| With epidural anesthesia (cervical or thoracic) (n) | 806 | 7,572 | |
| With epidural anesthesia (lumbar) (n) | 191 | 936 | |
| With epidural anesthesia (sacral) (n) | 2 | 10 | |
| Anesthesic agents | |||
| Desflurane (ml) | 78.7± 48.1 | 85.9± 63.1 | |
| Sevoflurane (ml) | 53.3± 35.4 | 49.3± 29.2 | |
| Propofol (ampule) (n*) | 1,194 | 10,211 | |
| Propofol (prefilled syringe) (mg**) | 1297.2± 748.4 | 1367.3± 881.4 | |
| Fentanyl (mg**) | 0.56± 0.53 | 0.53± 0.49 | |
| Remifentanil (total number of vials used) | 3,407 | 28,057 | |
| Rocuronium (mg**) | 72.9± 46.9 | 73.9± 54.1 | |
| Sugammadex (mg**) | 107.3± 107.1 | 109.9± 106.9 | |
| Cardiovaccular agents | |||
| Atropine (n*) | 86 | 1,791 | |
| Dopamine (n*) | 915 | 5,830 | |
| Nicardipine (n*) | 260 | 2,689 | |
| Phenylephrine (n*) | 95 | 1,332 | |
* Total unmber of ampules or prefilled syringe used in each group.
**The amount of drug used (mg) is not the actual dose administered to the patients, but is calculated backwards from the number of ampules/vials of the drug administered to the patients.
M; male, F; female.