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

Table 6

Subgroup analysis of first rescue analgesia time after surgery.

	FICB					No block
	N	SMD	95% CI	value	I^2 (%)	N	SMD	95% CI	value	I^2 (%)
First rescue analgesia time after surgery	3	0.34	−0.83∼1.52	0.57	91	5	1.97	0.99∼2.95	<0.0001	91