Table 5. Postoperative pain assessment between the two study groups at different intervals (the chi-square test was used to compare both groups).

ACB: adductor canal block; FNB: femoral nerve block; NRS: numeric rating scale

NRS	ACB group (n = 25)	FNB group (n = 25)	P-value
At 1 hour	2.80 ± 1.44	2.84 ± 1.44	0.88
At 2 hours	3.0 ± 1.26	3.24 ± 1.36	0.46
At 6 hours	2.84 ± 0.89	3.0 ± 1.35	0.98
At 12 hours	3.20 ± 1.53	2.68 ± 1.21	0.36
At 24 hours	2.0 ± 0.64	1.84 ± 0.62	0.37