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Table 1 Demographics of patients with systemic sclerosis (SSc), and medications being taken

From: Elevated matrix metalloproteinase-9 in patients with systemic sclerosis

  With diffuse SSca (n = 23) With limited SSca (n = 19)
Age (y) [mean ± SEM] 42.5 ± 2.8 46.5 ± 2.9
% female 95.7 100
Disease duration (mo.) [mean ± SEM] 72.7 ± 15.7 95.4 ± 17.1
Medications (% of sample)
   Prednisone 82.6 68.4
   D-penicillamine 69.6 57.9
   Cyclophosphamide 17.4 5.3
  1. aP ≥ 0.05 in a comparison of the two groups (Mann–Whitney rank sum test). SEM, standard error of the mean.