Periarticular Injection with Bupivacaine for Postoperative Pain Control in Total Knee Replacement: A Prospective Randomized Double-Blind Controlled Trial

Table 1

Patient baseline demographic data.

Treatment group	Bupivacaine injection	0.9% NSS injection	𝑃
Sex
Male	2	2	1.0
Female	28	28
Side
Right	17	10	0.07
Left	13	20
Diabetes mellitus	9	8	0.77
Mean age ± SD	69.27 ± 6.89	70.43 ± 5.63	0.48
Mean weight (kg) ± SD	65.28 ± 10.38	63.83 ± 6.73	0.52
Mean height (cm) ± SD	154.35 ± 7.84	152.74 ± 7.14	0.41
BMI ± SD	27.10 ± 4	27.41 ± 2.8	0.73