Efficacy and Safety of Pericapsular Nerve Group Block for Hip Fracture Surgery under Spinal Anesthesia: A Meta-Analysis

Table 3

Subgroup analysis of pain score.

Time	FICB					No block
	N	SMD	95% CI	value	I^2 (%)	N	SMD	95% CI	value	I^2
Positioning VAS	2	−0.26	−0.93∼0.40	0.44	75	4	−2.15	−3.27∼−1.04	0.0002	91%
6 h VAS	5	−0.08	−0.33∼0.17	0.53	0
12 h VAS	4	−0.37	−0.85∼0.12	0.14	67	1	−2.15	−2.80∼−1.51	<0.00001	NA
24 h VAS	4	0.29	−0.20∼0.78	0.25	65	1	−2.53	−3.22∼−1.84	<0.00001	NA
48 h VAS	2	−0.20	−0.62∼0.22	0.34	0	1	−0.56	−1.08∼∼−0.04	0.03	NA