Gabapentin Does Not Appear to Improve Postoperative Pain and Sleep Patterns in Patients Who Concomitantly Receive Regional Anesthesia for Lower Extremity Orthopedic Surgery: A Randomized Control Trial

Table 2

The value comparing quality of sleep between the control (a) and Gabapentin (b) groups preoperatively, POD1, and POD 2.

(a)

Placebo statistic	PSQI	Quality of sleep; POD1 (Scale 0–3)	Quality of sleep; POD2 (Scale 0–3)
()	12	12	12
Mean	7.333	1.333	1.000
Variance ()	18.970	0.424	0.727
Standard deviation ()	4.355	0.651	0.853

(b)

Gabapentin statistic	PSQI	Quality of sleep; POD1 (Scale 0–3)	Quality of sleep; POD2 (Scale 0–3)
()	17	17	17
Mean	6.765	1.235	0.647
Variance ()	12.691	1.191	0.743
Standard deviation ()	3.562	1.091	0.862