Pregabalin Effect on Acute and Chronic Pain after Cardiac Surgery

Table 3

Post hoc comparisons between groups using the Mann–Whitney test.

Groups compared	Boluses requested	Boluses given	VRS 8 hours	VRS 3 months	Morphine consumption 8 hours	Morphine consumption 24 hours	Analgesics 3 months	Sleep disturbance 3 months
1 versus 2 (control versus pregabalin 75 mg)	0.000	0.000	0.002	0.000	0.01	0.000	0.007	0.003
1 versus 3 (control versus pregabalin 150 mg)	0.000	0.000	0.002	0.000	0.000	0.000	0.000	0.000
2 versus 3 (pregabalin 75 mg versus pregabalin 150 mg)	0.003	0.004	0.465	0.985	0.1	0.005	0.126	0.452