Table 4.

Multivariable logistic regression model of clinical factors associated with scleroderma renal crisis.

Logistic Regression ModelsOR95% CIp
CKD*20.72.2–190.70.008
Hypertension**13.14.7–36.6< 0.001
Proteinuria18319.1–1750< 0.001
Anemia9.92.7–36.20.001
ESR£14.34.8–43.0< 0.001
Thrombocytopenia7.01.2–42.70.003
Hypothyroidism¥2.81.2–6.70.01
ARAπ4.11.2–13.80.02
Ro antibodyπ3.91.6–9.80.03
  • * Adjusted for hypertension, proteinuria, age, race, and ESR.

  • ** Adjusted for age, race, sex, CKD, and hypothyroidism.

  • Adjusted for hypertension, ESR, and CKD.

  • Adjusted for ESR, CKD, cancer, hypothyroidism, and low platelets.

  • £ Adjusted for age, cancer, and CKD.

  • Adjusted for hypertension, ESR, cancer, and anemia.

  • ¥ Adjusted for age and sex.

  • π Adjusted for ANA seropositivity. CKD: chronic kidney disease; ESR: erythrocyte sedimentation rate; ARA: anti-RNA polymerase III antibodies; ANA: antinuclear antibodies.