Pregabalin Effect on Acute and Chronic Pain after Cardiac Surgery

Table 4

Fentanyl and morphine consumption and pain scores in patients who did versus patients who did not vomit. Data are presented as median (Min, Max). Groups were compared using the Mann–Whitney test.

Vomiting	Yes	No
Fentanyl	250 (150, 350)	200 (50, 350)	0.047
Morphine use in first 8 hours	14.0 (13.0, 16.0)	13.0 (11.0, 17.0)	0.001
Morphine use in first 24 hours	18.5 (15.0, 30.0)	16.5 (12.5, 27.5)	0.003
VRS at 8 hours	4 (4, 6)	3 (0, 6)	0.007
VRS at 24 hours	2 (0, 5)	1 (0, 4)	0.04
VRS at 3 months	3 (2, 5)	2 (1, 4)	0.005