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. 2013 Oct 20;15(5):R156. doi: 10.1186/ar4339

Table 3.

Comparison of educational needs between the RA and PsA cohorts

Domain (score range)  
Psoriatic arthritis,
Rheumatoid arthritis,
Difference
  mean (SD) mean (SD) MD (95% CI) t-test p-value
Pain
(0 to 24)
14.29 (6.69)
13.40 (6.99)
0.89 (-0.79, 2.58)
1.04
0.30
Movement
(0 to 20)
9.79 (5.67)
11.07 (5.62)
-1.28 (-2.67, 0.11)
-1.81
0.07
Feelings
(0 to 16)
8.68 (4.73)
8.50 (4.90)
0.17 (-1.01, 1.36)
0.29
0.78
Arthritis
(0 to 28)
19.44 (6.89)
20.65 (7.65)
-1.21 (-3.01, 0.59)
-1.32
0.19
Treatments
(0 to 28)
15.90 (7.59)
15.25 (8.79)
0.65 (-1.38, 2.68)
0.63
0.53
Self-help
(0 to 24)
15.76 (5.90)
13.86 (6.82)
0.91 (-0.67, 2.49)
1.14
0.26
Support
(0 to 16)
6.83 (4.40)
7.00 (4.30)
-0.17 (-1.25, 0.90)
-0.32
0.75
Total ENAT score (0 to 164) 90.69 (32.11) 90.73 (33.6) -0.04 (-8.18, 8.10) -0.01 0.99

MD, mean difference (Psoriatic arthritis cohort minus rheumatoid arthritis cohort). P-value ≤0.05 represents significance effects against the null hypothesis on 'no difference’.