[Retracted] Value of Lumbar MRI Parameters in the Evaluation of Postoperative Curative Effect on Patients with Lumbar Disc Herniation and Analysis of Risk Factors

Table 2

Comparison of cross-sectional area differences of BPMM and multifidus muscle between the two groups.

Group	Cross-sectional area difference of BPMM (cm^2)	Cross-sectional area difference of multifidus muscle (cm^2)
Observation group (n = 60)	1.41 ± 0.38	0.94 ± 0.23
Control group (n = 60)	0.83 ± 0.15	0.50 ± 0.12
T-value	10.896	12.761
value	<0.001	<0.001