The relationship between the degeneration and asymmetry of the lumbar multifidus and erector spinae muscles in patients with lumbar disc herniation with and without root compression

Table 2 Comparisons of the CSA and TCSA values of the groups according to sex and segment

	Group		Sex		Segment		Group*Sex		Sex*Segment		Group*Segment		GroupSexSegment
	p	\({\upeta }^{2}\)	p	\({\upeta }^{2}\)	p	\({\upeta }^{2}\)	p	\({\upeta }^{2}\)	p	\({\upeta }^{2}\)	p	\({\upeta }^{2}\)	p	\({\upeta }^{2}\)
Right MF (CSA, mm²)	0.075	0.010	0.000	0.051	0.000	0.533	0.319	0.003	0.998	0.000	0.857	0.001	0.609	0.003
Left MF (CSA, mm²)	0.579	0.001	0.640	0.001	0.000	0.103	0.718	0.000	0.618	0.003	0.731	0.002	0.759	0.002
Right ES (CSA, mm²)	0.021	0.017	0.000	0.100	0.000	0.286	0.245	0.004	0.111	0.014	0.005	0.034	0.980	0.000
Left ES (CSA, mm²)	0.059	0.012	0.000	0.063	0.000	0.261	0.022	0.017	0.307	0.008	0.043	0.020	0.879	0.001
Right TCSA (Right MF + Right ES, mm²)	0.005	0.025	0.000	0.133	0.000	0.051	0.152	0.007	0.159	0.012	0.013	0.028	0.979	0.000
Left TCSA (Left MF + Left ES, mm²)	0.518	0.001	0.003	0.029	0.193	0.011	0.298	0.004	0.247	0.009	0.691	0.002	0.781	0.002

\({\upeta }^{2}\): Partial eta squared, age and BMI were added to the model as covariate variables. MF: lumbar musculus multifidus, ES: lumbar musculus erector spinae

ISSN: 1749-799X