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Table 2 Abnormalities on nailfold capillaroscopy among patients with SLE associated with PAH (SLE-PAH) or not associated with PAH (SLE-nPAH)

From: Nailfold capillaroscopy as a risk factor for pulmonary arterial hypertension in systemic lupus erythematosus patients

  SLE-PAH n = 16 SLE-nPAH n = 44 P-value
Capillaroscopy pattern
 SD, n (%) 9 (56.3) 7 (15.9) 0.002
 Normal or unspecific, n (%) 7 (43.7) 37 (84.1)  
Number of loops/mm 8.63 ± 1.28 9.18 ± 1.77 0.081
Microhemorrhages 1.03 ± 1.67 0.3 ± 0.52 0.134
Dilated capillaries 1.39 ± 1.46 0.85 ± 1.72 0.027
Giant capillaries 0.04 ± 0.11 0.03 ± 0.44 0.468
Avascular score 0.45 ± 0.63 0.12 ± 0.28 0.010
  1. Data are expressed as the mean ± standard deviation or n (%). NC nailfold capillaroscopy, nPAH no PAH, PAH pulmonary arterial hypertension, SD scleroderma pattern, SLE systemic lupus erythematosus