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Table 1 Epidemiologic, clinical, laboratory and capillaroscopic features at presentation of early SSc and UCTD patients

From: Early systemic sclerosis: short-term disease evolution and factors predicting the development of new manifestations of organ involvement

Feature Early SSc (n= 39) UCTD (n= 37) P
Sex: F/M 38/1 36/1 ns
Age; years (median; range) 41 (17 to 73) 38 (18 to 71) ns
RP duration; years (median; range) 3 (0.5 to 24) 4 (0.5 to 30) ns
Puffy fingers 4 0 ns
Arthritis 0 4 0.05
ESR >20 mm/h 5 6 ns
Gammaglobulins >1.5 g/dl 3 2 ns
C3 <80 mg/dl or C4 <15 mg/dl 2 3 ns
ANA + 38 (97.4) 37 (100) ns
ANA titre (median, range) 1:640 1:640 ns
SSc-marker antibodies + (1:80 to 1:5,120) (1:80 to 1:5,120) < 0.0001
ACA + 36 (92.3) 0 < 0.0001
Anti-Scl-70 + 26 (66.7) 0 0.005
Anti-Th/To 8 (20.5) 0 ns
Anti-U1RNP 1 (2.6) 0 ns
  1 (2.6) 0  
NVC SSc pattern 23 (59) 0 < 0.0001
Megacapillaries + avascular areas 19 (48.7) 0 < 0.0001
Avascular areas or megacapillaries 4 (10.2) 0 ns
Smoking habit 17 (43.5) 13 (35.1)  
  1. All data are expressed as numbers and percentages (in brackets), except were otherwise indicated. ACA, anticentromere antibodies; ANA, antinuclear antibodies; ESR, erythrosedimentation rate; F, female; M, male; n, number; NVC, nailfold videocapillaroscopy; RP, Raynaud's phenomenon; SSc, systemic sclerosis; UCTD, undifferentiated connective tissue disease