Table 3

Baseline characteristics of patients with progressive and stable disease

Progressive disease N=63Stable disease N=108Adjusted*
Univariable OR (95% CI)
p Value
Sociodemographics
 Age, years, mean (SD)54.6 (15.5)52.3 (13.7)1.010 (0.988 to 1.032)0.395
 Female, N (%)46 (73)89 (82.4)1.928 (0.896 to 4145)0.093
 Body weight, kg, mean (SD)68.1 (14.7)69.8 (12.9)0.994 (0.970 to 1.019)0.633
Disease characteristics, N (%)
 Friction rubs5 (7.9)1 (0.9)11.229 (1.247 to 101.139)0.031
 Proximal muscular weakness7 (11.1)2 (1.9)7.012 (1.393 to 35.313)0.018
 Pulmonary crackles21 (33.3)22 (20.4)2.181 (1.057 to 4.501)0.035
 MRSS, median (IQR)4 (2–10)2 (0–6)1.014 (1.002 to 1.082)0.039
Laboratory investigations
 eGFR, mL/min, median (IQR)89 (68.7–133.3)87.3 (70.6–104.7)1.006 (0.996 to 1.015)0.264
Cardiopulmonary investigations
 FVC % of predicted, mean (SD)95.5 (24.7)101.1 (21.4)0.985 (0.971 to 1.000)0.053
 DLCO % of predicted, mean (SD)59.4 (19.8)66.6 (15.7)0.974 (0.955 to 0.993)0.008
 Maximum VO2% of predicted, mean (SD)83 (26.4)94.2 (24.3)0.984 (0.974 to 0.994)0.002
SF-36, median (IQR)
 Physical Component Summary Scale37.9 (27.4–46.8)42.6 (32.5–49.6)0.961 (0.931 to 0.991)0.012
SHAQ (0–3), median (IQR)†0.75 (0.25–1.13)0.5 (0.13–0.88)1.788 (1.010 to 3.095)0.044
  • *Adjusted for previous or current treatment on baseline evaluation with cyclophosphamide, methotrexate or autologous haemopoietic stem cell transplantation.

  • DLCO, diffusing capacity for carbon monoxide; eGFR, estimated-glomerular filtration rate; FVC, forced vital capacity; MRSS, modified Rodnan Skin Score; SF-36, Short Form-36; SHAQ, Scleroderma Health Assessment Questionnaire; VO2, volume oxygen uptake.