Table 8.

Odds ratios for reporting intermittent pain in relation to the presence of osteoarthritis by the three different methods.

	Percentage reporting pain having OA in the joint	Percentage reporting pain without having OA in the joint	Odds ratios and 95% CI	P value
Right DIP2
Photo	29.3	11.6	3.2 (1.6-6.4)	0.001
Xray	21.5	4.4	5.9 (1.4-25.4)	0.008
Clinical examination	24.0	10.2	2.8 (1.2-6.2)	0.01
Right PIP3
Photo	34.4	13.7	3.3 (1.4-7.6)	0.004
Xray	27.9	11.7	2.9 (1.4-6.0)	0.003
Clinical examination	35.7	14.1	3.4 (1.4-8.1)	0.004
Right CMC1
Photo	41.7	16.7	3.6 (1.8-7.2)	< 0.0001
Xray	51.6	10.6	9.0 (4.4-18.2)	< 0.0001
Clinical examination	53.4	10.5	9.8 (4.8-20.1)	< 0.0001

Calculations for the most commonly affected joints in each joint group are shown. (right DIP2, right PIP3 and right CMC1)