[Retracted] Evaluation of Pericapsular Nerve Group (PENG) Block for Analgesic Effect in Elderly Patients with Femoral Neck Fracture Undergoing Hip Arthroplasty

Table 3

Comparison of postoperative adverse reactions between the two groups.

Group	Delirium	Bloody swelling	Puncture site infection	Nerve injury	Quadriceps weakness	Rescue analgesics
PE group	0	0	0	0	0	0
FI group	0	0	0	0	7	0

Note: compared with the FI group,  < 0.05. PE, pericapsular nerve group block; FI, fascia iliaca compartment block.