Effectiveness of wound infusion of 0.2% ropivacaine by patient control analgesia pump after minithoracotomy aortic valve replacement: a randomized, double-blind, placebo-controlled trial

Table 3 Clinical data for both groups

Clinical data median (25th–75th percentilles)	Ropivacaine group	0,9% saline group	P value
Euroscore II	1.35 (0.99–2.01)	1.56 (1.17–2.15)	0.173¹
CPB time in minutes	60 (54–69)	66 (58–77)	*0.047*^1,3
Cross clamp time in minutes	33 (30–37)	36 (32–45)	0.057¹
Time of surgery in minutes	136 (122–145)	144 (132–154)	0.101¹
Time to extubation in minutes	120 (120–180)	120 (120–180)	0.703¹
PCA boluses attempted	2 (1–4)	4 (2–6)	*0.022*^1,3
PCA boluses given	2 (1–4)	3 (2–5)	*0.021*^1,3
No. of patients with PONV	7	8	0.778²
1 – Mann-Whitney U test, 2 – χ² test 3-statistically significant difference

ISSN: 1471-2253