Table 2. Relations between PainDETECT score and other parameters.

	PainDETECT correlation coef.
Pain duration	0.014
VAS	0.541**
WOMAC	0.598**
K-L grade	0.030
FCTMedial	−0.000
FCTIntercondylar	−0.064
FCTLateral	−0.091
Knee ST	−0.415*
Knee PT	−0.312*

*p<0.05; **p<0.01. Coef.: coefficient; FCT: femoral cartilage thickness; K-L: Kellgren-Lawrence; ST: sensorial threshold; PT: pain threshold; VAS: visual analog scale; WOMAC: Western Ontario and McMaster Universities Osteoarthritis Index