Effects of Addition of Preoperative Intravenous Ibuprofen to Pregabalin on Postoperative Pain in Posterior Lumbar Interbody Fusion Surgery

Table 2

Surgery related data.

	Group Pregabalin	Group Pregabalin + Ibuprofen	value
Number of operated lumbar regions (1/2/3)	3/16/2	4/17/0	Chi-square: 2.173
Duration of surgery (min)			: 0.590
Hemorrhage during surgery (ml)			:
Blood transfusion (yes/no)	1/20	3/18	Chi-square: 1.105
Amount of fluids given during surgery (ml)			:

Data are shown as patient number or value ± standard deviation.