Ultrasound-guided pericapsular nerve group (PENG) block for early analgesia in elderly patients with hip fractures: a single-center prospective randomized controlled study

Table 4 Other secondary outcome measures

Variable	Time	Group F	Group P	P
The highest NRS scores; (mean ± SD)	0-12 h	5.57±1.54	3.00±1.12	<0.001
The highest NRS scores; (mean ± SD)	12 h-24 h	6.35±1.79^**	5.90±1.83	0.436
Rescue analgesia; n (%)	0-12 h	8 (38)	2 (10)	0.067
Rescue analgesia; n (%)	12 h-24 h	13 (65) ^**	8 (40)	0.113
Overall satisfaction; median (IQR)	0-24 h	8 (7-8) ^**	9 (9-9)	<0.001
Nausea; n (%)	0-24 h	3 (15) ^**	2 (10)	1
Vomit; n (%)	0-24 h	0 (0) ^**	0 (0)	1

Data are presented as mean ± SD, median (IQR) or number (%)
Abbreviations: NRS, numerical rating scale; SD, standard deviation; IQR, interquartile range
^**The sample size of group F is 20. P<0.05 was considered statistically significant

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