Group 1 (n = 68)

Group 2 (n = 62)

p

Nausea > 3 (30 min)

0.3 ± 0.9

0.3 ± 0.5

0.23

Vomiting > 3 (30 min)

0.1 ± 0.5

0.1 ± 0.2

0.37

Retching > 3 (30 min)

0.1 ± 0.3

0.1 ± 0.2

0.60

Emetic episodes during 1st 4 hours after operation (>3 in one hour)

0.1 ± 0.2

0.3 ± 0.6

0.003^**

VAS: mean nausea score during hospital state

0.6 ± 1.7

0.8 ± 1.4

0.11