Research Article

NOTCH3 T6746C and TP53 P72R Polymorphisms Are Associated with the Susceptibility to Diffuse Cutaneous Systemic Sclerosis

Table 2

Clinical and laboratory parameters of SSc patients according to subtypes and genotypes.

SSc featuresAll SSc patients n = 124SSc subtypesNOTCH3TP53
lcSSc n = 101dcSSc n = 23 valueTT n = 97CT + CC n = 27 valueRR n = 72PR + PP n = 52 value

Age in years, M56.758.9648.26<0.00156.6258.220.5256.8056.70.96
Active disease, n (%)91 (73.4)73 (72.2)18 (78.3)0.5674 (76.3)10 (37)<0.00118 (25)15 (28.8)0.63
Inactive disease, n (%)33 (26.6)28 (27.8)5 (21.7)23 (23.7)17 (63)54 (75)37 (71.2)
Disease duration in years, M8.7511.1211.980.5911.0612.050.5111.4210.810.63
Early lcSSc, M4.123.703.570.773.254.110.022
Late lcSSc, M1313.7814.100.8414.9212.180.056
Early dcSSc, M2.502.252.5
Late dcSSc, M14.5514.8713.00.5114.6414.250.88

Antinuclear antibodies, n (%)
 Anti-Scl-70 (anti-topoisomerase I) positivity66 (53.2)43 (42.5)23 (100)<0.00148 (49.5)18 (66.7)0.1142 (58.4)24 (46.1)0.17
 ACA positivity49 (39.6)49 (48.5)0<0.00143 (44.3)6 (22.3)0.00325 (34.7)24 (46.1)0.19
 Anti-RNA polymerase III positivity2 (1.6)2 (2)02 (2)002 (3.8)
 Other (anti-fibrillarin, ANA-speckled pattern)7 (5.6)7 (7)04 (4.1)3 (11)5 (6.9)2 (3.8)
 Complement protein C3 level (g/L), M1.231.141.080.381.111.170.341.091.150.20
 Complement protein C4 level (g/L), M0.240.230.230.870.240.220.550.220.250.24
 C-reactive protein level (mg/L), M7.757.677.930.936.9310.540.216.458.580.34
 Erythrocyte sedimentation rate (mm/h), M24.022.5528.300.1522.4927.660.1722.2125.360.33
 Interstitial lung disease, n (%)98 (79)79 (78.2)19 (82.6)76 (78.4)22 (81.5)0.7355 (76.4)43 (82.7)0.39
 Total lung capacity (TLC)—% of norm97 (15.5)89.284.350.3187.4790.260.4088.9486.620.55
 TLC ≥ 80%8976130.0769200.7651380.77
 TLC < 80%3525102872114

M: mean. Too small group for analysis.