. 2022 Mar 29;2022:5337483. doi: 10.1155/2022/5337483

Table 4.

Mutual correlations of NRS-B, NRS-L, PRI, PPI, and VAS at three time points: 0, before surgery; 1, 1 month after surgery; 3, 3 months after surgery. ^∗p < 0.05; ^∗∗p < 0.01; ^∗∗∗p < 0.001.

Spearman's rho		NRS-B	NRS-L	PRI	PPI	VAS
NRS-B	0		0.319^∗∗∗	0.216^∗	0.355^∗∗∗	0.437^∗∗∗
	1		0.426^∗∗∗	0.371^∗∗∗	0.378^∗∗∗	0.414^∗∗∗
	3		0.470^∗∗	0.403^∗∗	0.434^∗∗	0.557^∗∗

NRS-L	0	0.319^∗∗∗		0.414^∗∗∗	0.554^∗∗∗	0.673^∗∗∗
	1	0.426^∗∗∗		0.422^∗∗∗	0.407^∗∗∗	0.456^∗∗
	3	0.470^∗∗		0.293^∗∗	0.288^∗∗	0.351^∗∗

PRI	0	0.216^∗	0.414^∗∗∗		0.376^∗∗∗	0.525^∗∗∗
	1	0.371^∗∗∗	0.422^∗∗∗		0.697^∗∗∗	0.704^∗∗
	3	0.403^∗∗	0.293^∗∗		0.756^∗∗	0.745^∗∗

PPI	0	0.355^∗∗∗	0.554^∗∗∗	0.376^∗∗∗		0.573^∗∗∗
	1	0.378^∗∗∗	0.407^∗∗∗	0.697^∗∗∗		0.628^∗∗∗
	3	0.434^∗∗	0.288^∗∗	0.756^∗∗		0.776^∗∗

VAS	0	0.437^∗∗∗	0.673^∗∗∗	0.525^∗∗∗	0.573^∗∗∗
	1	0.414^∗∗∗	0.456^∗∗∗	0.704^∗∗∗	0.628^∗∗∗
	3	0.557^∗∗	0.351^∗∗	0.745^∗∗	0.776^∗∗