Table 1 Clinical findings of systemic sclerosis (SSc) cohort (n. 115 patients).

From: Natural killer cells are decreased in systemic sclerosis and have diagnostic value for pulmonary arterial hypertension incorporation

Clinical data

SSc patients

Age at disease onset (years), mean ± SD

56.58 ± 13.18

The hospitalization time (days), mean ± SD

13.61 ± 5.67

The course of the disease (years), mean ± SD

7.42 ± 8.25

Sex-male, n (%)

19 (16.52%)

Sex-female, n (%)

96 (83.48%)

Anti-nuclear antibodies, n (%)

104(90.43%)

Anti-centromere antibodies, n (%)

29(25.22%)

Anti-Scl-70 antibodies, n (%)

37(32.17%)

Anti-U1-SnRNP antibodies, n (%)

22(20.37%)

No of organs affected, n (%)

14(12.17%)

Organ involvement, n (%)

101(87.83%)

 Cardiovascular diseases, n (%)

19(16.52%)

 Interstitial lung disease, n (%)

76 (66.09%)

 Pulmonary arterial hypertension, n (%)

32(27.83%)

 Gastrointestinal involvement, n (%)

54(46.96%)

 Renal involvement, n (%)

10(8.70%)

 Joint/tendon involvement, n (%)

38(33.04%)

 Raynaud’s phenomenon, n (%)

100(86.96%)

Diffuse cutaneous SSc (dcSSc), n (%)

89(77.39%)

Limited cutaneous SSc (lcSSc), n (%)

26(22.61%

Active patients with disease activity index > 3 EScSG-AI, n. (%)

54(46.96%)

  1. Among those with active disease. Results are given as mean ± SD, M (P25, P75) or percentage. EScSG-AI: European Scleroderma Study Group Activity Index.