Table 4.

Overall and components of pain scores and analgesic consumption

	Low pressure (n = 33)	Standard pressure (n = 30)	p value
Overall maximum pain score#
Postoperative 1 h	4.0 (2.0)	4.1 (2.5)	.84
Postoperative day 1	4.7 (2.3)	4.9 (2.4)	.75
Postoperative day 2	3.7 (2.3)	4.0 (2.4)	.54
Superficial wound component
Postoperative 1 h	1.8 (2.1)	1.7 (2.2)	.78
Postoperative 1 h (movement)	2.4 (2.4)	2.7 (2.8)	.64
Postoperative day 1	1.1 (1.6)	0.7 (1.4)	.28
Postoperative day 1 (movement)	4.0 (2.5)	3.9 (2.7)	.86
Postoperative day 2	0.6 (1.0)	0.7 (1.3)	.67
Postoperative day 2 (movement)	2.1 (1.7)	2.6 (2.2)	.34
Deep intra-abdominal component
Postoperative 1 h	2.5 (1.9)	2.3 (2.3)	.75
Postoperative 1 h (movement)	2.5 (2.4)	2.2 (2.3)	.64
Postoperative day 1	1.2 (1.8)	2.1 (2.1)	.09
Postoperative day 1 (movement)	2.7 (2.6)	3.3 (2.6)	.33
Postoperative day 2	0.8 (1.1)	1.8 (2.3)	.02
Postoperative day 2 (movement)	2.0 (2.1)	2.7 (2.4)	.18
Referred shoulder component
Postoperative 1 h	0.3 (1.0)	0.4 (1.5)	.79
Postoperative 1 h (movement)	0.4 (1.2)	0.8 (2.1)	.34
Postoperative day 1	1.3 (1.9)	1.5 (2.3)	.78
Postoperative day 1 (movement)	1.7 (2.4)	1.8 (2.5)	.86
Postoperative day 2	1.6 (1.7)	1.4 (2.2)	.60
Postoperative day 2 (movement)	2.6 (2.2)	1.8 (2.2)	.16
Analgesic medications
Acetaminophen day 0 (mg)	4000 (0)	4000 (0)	1.0
Acetaminophen day 1	4000 (0)	4000 (0)	1.0
Acetaminophen day 2	3895 (457)	4000 (0)	.27
Piritramide day 0 (mg)	94.2 (101.4)	79.9 (114)	.61
Piritramide day 1	19.3 (18.3)	15.7 (14.2)	.63
Piritramide day 2	0 (0)	0 (0)	1.0
Oxycodon day 0 (mg)	0 (0)	0 (0)	1.0
Oxycodon day 1	12.9 (13.6)	14.1 (6.6)	.79
Oxycodon day 2	5.3 (9.9)	4.8 (5.8)	.33

^#Maximum score: in rest or after movement including all components of pain (superficial, deep intra-abdominal and referred shoulder pain)