From: Patient and physician perspectives of hand function in a cohort of rheumatoid arthritis patients: the impact of disease activity
Tip pinch
R2 = 0.255
Key pinch
R2 = 0.341
Palmar pinch
R2 = 0.288
Grip strength
R2 = 0.394
DAS28
ß = 1.9
(1.4–2.5)a
ß = 2.2
(1.6–3)a
ß = 2
(1.5–2.7)a
ß = 2.3
(1.6–3.1)a
Comorbidity/patient
ß = 1.4
(1.1–1.8)a