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Table 1 Comparison of demographic data and frequency of autoantibodies in early-SSc, defined-SSc and control groups

From: Anti-collagen type v: a marker of early systemic sclerosis?

  Early-SSc
N = 18
Defined-SSc
N = 63
Control
N = 19
p
Mean age, years (SD) 45.2 (+ 16.2) 56.0 (+ 15.1) 44.9 (+ 16.9) 0.004
Disease duration, years (SD) 8.0 (+ 5.0) 15.1 (+ 8.8) < 0.001
Anti-collagen type V, n (%) 6 (33%) 10 (16%) 1 (5%) 0.07
ANA, n (%) 18 (100%) 62 (98%) 0.90
Anti-Scl70, n (%) 3 (17%) 19 (30%) 0.68
Anticentromere, n (%) 9 (50%) 17 (27%) 0.24
  1. Values are expressed in n: number and percentage (%), or average ± standard deviation (SD). ANA Antinuclear antibodies, Anti-SCl70 anti-topoisomerase I