Liverpool Hospital | p | Rush University Medical Center | p | NYU Hospital for Joint Diseases | p | Ridley Park | p Value | |||||
RA (n=64) | OA (n=55) | RA (n=173) | OA (n=199) | RA (n=145) | OA (n=173) | RA (n=149) | OA (n=202) | |||||
MDHAQ: Patient self-report measures | ||||||||||||
Function | 1.7 (0.7–3) | 3.3 (2.3–4.7) | <0.001 | 2.7 (0.7–3.7) | 2.7 (1.3–4) | 0.157 | 1.7 (0.3–3.7) | 1.7 (0.7–3.3) | 0.65 | 1 (0.3–2.7) | 1.7 (0.7–3.3) | <0.001 |
Pain | 4.3 (2.5–8.3) | 7.0 (5.5–8.3) | <0.001 | 5 (2–7.5) | 7 (5–8.5) | <0.001 | 4.7 (2–7) | 5 (3–7.5) | 0.03 | 2.5 (1–5) | 5 (3–7.5) | <0.001 |
PATGL | 4.3 (1.3–6.8) | 6.0 (4.3–8) | 0.002 | 4.5 (1.5–7) | 5.7 (3.5–8) | <0.001 | 5 (1.5–7) | 5 (2–6.5) | 0.64 | 3 (1–5) | 5 (3–7) | <0.001 |
RAPID3 | 9.7 (5.5–17) | 16.8 (11.3–19.7) | <0.001 | 11.8 (4.3–18.7) | 15.5 (10.2–19.5) | <0.001 | 11 (4–16.7) | 11.7 (6.7–16.7) | 0.28 | 6.2 (3–11.3) | 12.2 (7.3–16.5) | <0.001 |
Fatigue | 4 (1–7) | 5 (2.8–8) | 0.25 | 4 (1–7) | 5 (2–7.5) | 0.03 | 5 (0.5–8) | 3.2 (1–7) | 0.22 | 2.5 (1–5) | 4 (1–6.5) | 0.08 |
RADAI (0–48) | 8 (3–15) | 17 (10–22) | <0.001 | 7.5 (2–16) | 10 (5–16) | 0.11 | 5 (2–17.5) | 6 (4–12) | 0.48 | 7 (3–16) | 8 (4–15) | 0.08 |
RADAI (0–16) | 5 (3–10) | 10 (6–14) | 0.01 | 6 (2–11) | 6 (3–10) | 0.79 | 5 (2–11.5) | 4 (2–8) | 0.66 | 6 (2–11) | 6 (3–10) | 0.80 |
Values are median and IQR unless indicated otherwise, analysed by Mann-Whitney for non-normally distributed variables, t-test for normally distributed variables, χ2 for qualitative variables. p Values according to multivariate analysis of variance, adjusted for age, education level and disease duration (disease duration available only from Liverpool Hospital and Ridley Park).
*Disease duration not available.
MDHAQ, multidimensional health assessment questionnaire; OA, osteoarthritis; PATGL, patient global assessment; RA, rheumatoid arthritis; RADAI, rheumatoid arthrtitis disease activity index; RAPID3, routine assessment of patient index data 3.