Saphenous nerve block versus femoral nerve block in enhanced recovery after knee replacement surgery under spinal anaesthesia

Ain-Shams Journal of Anesthesiology

Table 4 Comparison between groups as regard numerical rating scale

Numerical Rating Score	Group F (n=30)	Group S (n=30)	Mann-Whitney test
Numerical Rating Score	Group F (n=30)	Group S (n=30)	z	p-value
30min after admission to PACU	1 (0-2)	1 (0-2)	0.8	0.42
3hr	1 (1-2)	1 (1-2)	1.6	0.1
6hr	2 (1-2)	2 (1-3)	1.58	0.1
12hr	2 (1-2)	2 (1-2)	0.7	0.49
24hr	2 (2-2)	2 (2-3)	0.43	0.67