Neuropathic Pain Was Associated with Central Sensitivity Syndrome in Patients with Preoperative Lumbar Spinal Stenosis Using the painDETECT and Central Sensitization Inventory Questionnaires: A Cross-Sectional Study

Table 4

Multiple regression analysis using painDETECT as dependent variable.

	Partial regression coefficient	Standard error	95% CI	β	t	value
Age	−0.026	0.034	−0.093–0.041	−0.058	−0.769	0.444
Gender	−0.573	0.938	−2.435–1.288	−0.046	−0.611	0.543
Classification of LSS by site of symptom appearance	−0.625	0.990	−2.591–1.340	−0.048	−0.631	0.529
NRS for leg pain	0.276	0.188	−0.097–0.649	0.130	1.466	0.146
CSI	0.216	0.037	0.143–0.289	0.468	5.893	<0.001
ZCQ for symptom severity	0.419	0.127	0.167–0.671	0.304	3.304	<0.001
ZCQ for physical function	0.012	0.167	−0.319–0.343	0.006	0.070	0.945

CI: confidence interval; NRS: Numerical Rating Scale; CSI: Central Sensitization Inventory; ZCQ: Zurich Claudication Questionnaire. R² adj. = 0.478.