Investigation for Factors Affecting Body Perception Disturbance in Patients with Low Back Pain by Mechanism-Based Classification of Pain: A Cross-Sectional Study

Table 3

Outcome measurements in each group.

	NP (n = 66)	PNP (n = 36)	CSP (n = 15)
VAS (cm)	5.0 ± 2.4	5.4 ± 2.3	6.0 ± 1.9
Duration (days)	151.9 ± 485.8	34.8 ± 38.6	249.9 ± 485.6
FreBAQ	10.6 ± 5.7	11.2 ± 6.7	14.9 ± 5.5
CSI-9	14.0 ± 5.7	13.8 ± 7.0	24.8 ± 3.5
RDQ	6.9 ± 5.4	8.8 ± 5.3	9.7 ± 4.8

Mean ± SD. VAS: visual analogue scale; FreBAQ: fremantle back awareness questionnaire; CSI-9: central sensitization inventory-9; RDQ: Roland-Morris disability questionnaire. NP: nociceptive pain; PNP: peripheral neuropathic pain; CSP: central sensitization pain.