Correlations between Age, Pain Intensity, Disability, and Tactile Acuity in Patients with Chronic Low Back Pain

Table 2

The correlations among age, pain severity, disability, and tactile acuity.

	D-TPD	A-TPD	PTP	TPE
Age	0.345 (0.008)	0.420 (0.001)	0.617 (<0.001)	0.611 (<0.001)
Maximum pain	0.331 (0.011)	0.385 (0.003)	0.565 (<0.001)	0.449 (<0.001)
General pain	0.355 (0.006)	0.387 (0.003)	0.598 (<0.001)	0.467 (<0.001)
Pain unpleasantness	0.314 (0.016)	0.408 (0.001)	0.572 (<0.001)	0.48 (<0.001)
ODI	0.387 (0.003)	0.389 (0.003)	0.597 (<0.001)	0.573 (<0.001)
RMDQ	0.314 (0.016)	0.41 (0.001)	0.601 (<0.001)	0.542 (<0.001)

Notes: Values as r () of Pearson’s correlation coefficients; D-TPD = two-point discrimination test performed in a descending manner; A-TPD = two-point discrimination test performed in an ascending manner; PTP = point-to-point test; TPE = two-point estimation; ODI = Oswestry Disability Index; RMDQ = Roland-Morris Disability Questionnaire.