Table 2.

Mobilization and complication rate

	Group A (N=15)	Group B (N=15)	Group C (N=15)	Group D (N=15)	Group E (N=15)
Time to mobilization (min)	151	188	175	170	177
Noctural pain 1st post-operative day	8/15	4/15	4/15	5/15	9/15
Noctural pain 2nd post-operative day	6/15	2/15	3/15	3/15	5/15
Excessive sweating/vomiting	4/15	0/15	0/15	1/15	5/15
Nausea	11/15	7/15	5/15	5/15	12/15
Urinary retention	0/15	1/15	0/15	0/15	2/15
Pruritus	0/15	0/15	0/15	0/15	0/15
Respiratory depression	0/15	0/15	0/15	0/15	0/15
Postoperative bradycardia	3/15	4/15	2/15	3/15	4/15
Postoperative hypotension	0/15	0/15	0/15	0/15	0/15