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Table 4 Differences in hand volume between RA, Pso and PsA patients after adjustment for age (left column) and age and BMI (right column) as independent covariates

From: Quantification of hand muscle volume and composition in patients with rheumatoid arthritis, psoriatic arthritis and psoriasis

VH / malesageage & BMI
(SBMI)
RA – Psop = 0.08
Δ = + 14
n.s.
PsA – Pson.s.n.s.
RA – PsAn.s.p = 0.003 Δ = + 25
VH / females  
RA – Pson.s.n.s.
PsA – Pson.s.p = 0.05 Δ = − 0.13
RA – PsAp = 0.07 Δ = − 8.5n.s.
  1. Δ denotes the VH difference (measured in cm3) between two groups, averaged over age. Data after age and BMI adjustment were only obtained in subgroup SBMI