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Table 1 Demographic and clinical characteristics

From: A polymorphism in the human serotonin 5-HT2A receptor gene may protect against systemic sclerosis by reducing platelet aggregation

Variable

Value (n = 115)

Females

108 (93.9)

Limited cutaneous systemic sclerosis

84 (73)

Autoantibody

 

   Antinuclear antibody without specific pattern

19 (16.5)

   Anticentromere antibody

44 (38.3)

   Antitopoisomerase I antibody

50 (43.5)

Age at onset (years)

43.4 ± 12.6

Mean follow-up (years)

14.6 ± 8.7

Forced viral capacity <70% predicted

27 (23.4)

Diffusing capacity for carbon monoxide <70% predicted

82 (71.4)

Right systolic ventricular pressure ≥ 40 mmHg

22 (19.1)

Oesophageal involvement

110 (96.2)

Past history of digital ulcers

63 (54.7)

  1. Data presented as n (%) or as the mean ± standard deviation.