Table 2

Correlation coefficients between HAQ score and clinical and laboratory variables at entry and after one year

Possible predictors at entry	HAQ - entry (n=133)	HAQ - 1 year (n=111)
Sex	0.15	0.15
Age	0.12	−0.02
Duration of complaints	−0.03	−0.02
Duration of morning stiffness	0.33^2-165	0.18
Presence of nodules	0.02	0.10
Presence of erosions	−0.04	−0.17
Erythrocyte sedimentation rate	0.37^2-165	0.29^2-160
C reactive protein	0.49^2-165	0.21^2-160
IgM RF titre	0.19^2-150	0.07
Disease Activity Score (DAS)	0.59^2-165	0.44^2-165
Patient's pain (VAS)	0.51^2-165	0.42^2-165
Physician's Global Assessment (VAS)	0.40^2-165	0.19
Depressive mood (AIMS)	0.39^2-165	0.28^2-160
Anxiety (AIMS)	0.30^2-160	0.19
Education level	−0.02	−0.10
Employment status	0.15	0.08
HAQ score entry	—	0.67^2-165