A cross-sectional analysis of persistent low back pain, using correlations between lumbar stiffness, pressure pain threshold, and heat pain threshold

Table 3 Correlation for all and every segment between lumbar stiffness, pressure pain, and superficial pain sensitivity

	Global stiffness versus Pressure pain threshold		Global stiffness versus Heat pain threshold		Pressure pain threshold versus Heat pain threshold
Segment	R_s	p value	ρ	p value	R_s	p value
All	0.38	< 0.01	0.23	< 0.05	0.58	< 0.01
L1	0.36	< 0.01	0.19	0.03	0.53	< 0.01
L2	0.33	< 0.01	0.14	0.12	0.55	< 0.01
L3	0.34	< 0.01	0.21	< 0.05	0.57	< 0.01
L4	0.33	< 0.01	0.22	< 0.05	0.56	< 0.01
L5	0.38	< 0.01	0.28	< 0.01	0.50	< 0.01

ISSN: 2045-709X