Table 2. Postoperative data.

Parameter	Group E (n = 43)	Group P (n = 43)	P value
At postoperative 24 h
Nausea	20 (46.5)	12 (12.9)	0.074
Vomiting	14 (32.6)	5 (11.6)	0.019*
Pruritus	12 (27.9)	1 (2.3)	0.002*
Hypotension	14 (32.6)	2 (4.7)	0.002*
Dizziness	24 (55.8)	12 (12.9)	0.009*
Cumulative opioid dose (mg)	4.0 ± 1.3	8.7 ± 1.3	0.013*
Patients satisfaction (1/2/3/4)	21/15/7/0	11/22/10/0	0.047*
At postoperative 48 h
Nausea	7 (16.3)	3 (7.0)	0.313
Vomiting	3 (7.0)	1 (2.3)	0.616
Pruritus	2 (4.7)	0 (0.0)	0.494
Hypotension	3 (7.0)	0 (0.0)	0.241
Dizziness	9 (20.9)	4 (9.3)	0.228
Cumulative opioid dose (mg)	5.1 ± 2.1	5.3 ± 1.0	0.904
Patients satisfaction (1/2/3/4)	24/15/4/0	15/23/5/0	0.078
Duration of drain placement (hours)	67.5 ± 36.4	66.2 ± 40.2	0.878
Length of hospital stay (days)	11.3 ± 3.3	11.7 ± 3.7	0.541
Length of ICU stay (days)	1.2 ± 0.7	1.5 ± 1.2	0.192
Pulmonary complications	4 (9.3)	2 (4.7)	0.676
Death	1 (2.3)	0 (0.0)	1.000

Data are presented as the mean ± standard deviation or number of patients (%).

*Statistically significant differences.

ICU: intensive care unit