Table 4 Comparison of primary and secondary outcomes within 48 h postoperatively

PONV

13 (14.1)

76 (67.3)

0.08

(0.04–0.16)

< 0.001^b

5 (13.2)

26 (68.4)

0.07

(0.02–0.22)

< 0.001^b

0.54

(0.48–0.61)

< 0.001^b

PON

5 (5.4)

15 (13.3)

0.38

(0.13–1.08)

0.060

4 (10.5)

7 (18.4)

0.52

(0.14–1.90)

0.328

0.77

(0.67–0.88)

< 0.001^b

POV

8 (8.7)

61 (54.0)

0.08

(0.04–0.18)

< 0.001^b

1 (2.6)

19 (50.0)

0.03

(0.01–0.22)

< 0.001^b

0.60

(0.53–0.68)

< 0.001^b

Rescue antiemetic therapy

4 (4.3)

38 (33.6)

0.09

(0.03–0.26)

< 0.001^b

1 (2.6)

16 (42.1)

0.04

(0.01–0.30)

< 0.001^b

0.70

(0.62–0.80)

< 0.001^b

Water intake

1882.4 ± 485.5

1436.5 ± 526.4

445.8

(305.1–586.6)

< 0.001^b

1932.9 ± 407.2

1510.5 ± 474.2

422.4

(220.3–624.4)

0.001^b

419.5

(214.2–613.6)

< 0.001^b