TABLE 6.

Exploratory analyses according to pain duration and diagnosis

Pain duration	<6 months (n=32)			>3 years (n=43)
Pain level	NRS, mean ± SD	CAS, mean ± SD	Correlation	NRS, mean ± SD	CAS, mean ± SD	Correlation
Current	4.6±3.4	5.1±3.2	r=0.78; P=0.002	4.0±2.9	4.4±2.7	r=0.44; P=0.04
Lowest	3.3±3.2	3.9±2.8	r=0.82; P<0.001	2.3±2.4	3.1±2.1	r=0.38; P=0.04
Usual	5.3±2.7	6.0±2.5	r=0.60; P<0.001	6.4±1.7	6.2±2.1	r=0.59; P=0.002
Strongest	8.4±1.6	8.1±2.3	r=0.74, P<0.001	9.2±0.8	8.9±1.2	r=0.48; P=0.009
Diagnosis	Musculoskeletal* (n=55)			Neuropathic† (n=51)
Pain level	NRS, mean ± SD	CAS, mean ± SD	Correlation	NRS, mean ± SD	CAS, mean ± SD	Correlation
Current	4.9±3.1	5.2±2.8	r=0.54; P<0.001	4.3±2.8	4.4±2.8	r=0.65; P=0.01
Lowest	3.0±2.6	3.4±2.6	r=0.72; P<0.001	2.4±2.7	3.0±2.4	r=0.76; P<0.001
Usual	5.7±2.4	5.9±2.4	r=0.50; P<0.001	5.2±2.8	5.6±2.5	r=0.63; P<0.001
Strongest	8.6±1.6	8.6±1.9	r=0.47; P=0.001	8.4±1.7	8.3±2.0	r=0.64; P<0.001

^*Duration = 30.4±23.2 months;

^†Duration = 14.2±17.0 months. CAS Coloured analogue scale; NRS Numerical rating scale