Table 4

 Radiographic change by pain group

Radiographic featurePain group
Verbal only (n = 8)Drawing only (n = 22)Both (n = 63)No pain (n = 132)
*Result from logistic regression, adjusted for age and sex.
CI, confidence interval.
Minimum joint space <2.5 mm (n (%))2 (25)6 (27)18 (29)22 (17)
Adjusted proportion* (95% CI)0.33 (0.08 to 0.72)0.36 (0.17 to 0.61)0.40 (0.25 to 0.57)0.26 (0.16 to 0.40)
Croft grade 3 (n (%))1 (13)4 (18)13 (21)11 (8)
Adjusted proportion* (95% CI)0.16 (0.02 to 0.64)0.22 (0.08 to 0.48)0.32 (0.17 to 0.51)0.14 (0.07 to 0.27)