Improving effect of microendoscopic decompression surgery on low back pain in patients with lumbar spinal stenosis and predictive factors of postoperative residual low back pain: a single-center retrospective study

Table 4 Predictors of postoperative residual low back pain

	Odds ratio	95% CI	P-value
Sex (male, 1 vs female, 0)	1.98	1.09–3.89	0.047*
Modic type 1 (presence, 1 vs absence, 0)	5.61	1.68–18.68	0.005*
Preoperative VAS for LBP ≥ 70 mm (yes, 1 vs no, 0)	2.19	1.17–4.08	0.014*

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