Table 5.

Correlations of BDI with NRS-L, NRS-B, VAS, ODI, PRI, and PPI scores before surgery. ^∗p < 0.05; ^∗∗p < 0.01; ^∗∗∗p < 0.001.

		NRS_B	NRS_L	ODI	PRI	PPI	VAS
Spearman's rho	BDI	0.154	0.210∗	0.440∗∗∗	0.251∗∗	0.196∗	0.136
		0.078	0.016	<0.001	0.004	0.025	0.121