Effects of anterior approach to quadratus lumborum block on postoperative cognitive function following hip surgery in older people: a randomized controlled clinical trial

Table 2 The Montreal Cognitive Assessment (MoCA) scores of the patients

	Group	n	1 day preoperatively	7 days postoperatively	30 days postoperatively	P	\({\eta }_{p}^{2}\)
MoCA	QLB	28	28.4 ± 2.01	27.4 ± 1.81^#	27.6 ± 1.57
	Control	29	28.1 ± 1.92	26.4 ± 1.83	27.3 ± 1.70
intergroup effect						0.034	0.08
time effect						< 0.001	0.47
interaction effect						0.047	0.06

The data are represented as the mean ± SD
MoCA = Montreal Cognitive Assessment
Compared with the control group, ^#P < 0.05. Data were compared by repeated-measures analysis of variance. \({\eta }_{p}^{2}=\frac{{SS}_{treatment}}{{SS}_{total}+{SS}_{error}}\)

ISSN: 1471-2318