Table 2

Baseline mean scores from the Arthritis Impact Measurement Scales version 2 (AIMS2) instrument by treatment group (n=58)

AIMS2 Scale		Possible scores^2-150		Patient scores		Mean scores		p^2-151
AIMS2 Scale		Possible scores^2-150		Patient scores		Doxycycline	Placebo	p^2-151
1 Pain	5–25	5–22	10.9	11.7	0.46
2–5 Functional score^2-152	18–90	41–90	73.4	73.1	0.92

2 Mobility	5–25	9–25	21.9	21.3	0.58
3 Walking and bending	5–25	9–25	14.5	14.8	0.77
4 Self care	4–20	10–20	18.7	18.9	0.73
5 Household tasks	4–20	11–20	18.3	18.1	0.74

6 Hand and finger	5–25	5–19	10.4	8.8	0.13
7 Arm	5–25	5–21	10.3	7.7	0.01
8 Mood	5–25	19–24	18.7	18.3	0.67
9 Tension	5–25	8–23	15.6	14.4	0.19
10 Family and friends	4–20	5–19	7.0	7.2	0.76
11 Social activity	5–25	8–23	15.3	16.5	0.17
12 Work	4–20	6–20	14.2	14.3	0.92

↵2-150 Lower numbers indicate worse score.
↵2-151 Comparison of mean scores by unpaired ttest (SPSS).
↵2-152 Composite functional score consists of sum of mobility, walking and bending, self care, and household tasks AIMS2 scales.