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Table 4 Logistic regression, final model (dependent variable, major infection)

From: Predictors of major infections in systemic lupus erythematosus

Variable Odds ratio 95% confidence interval
Lung involvement at study point 4.41 1.06 to 18.36
Prednisone dose (mg/day) 1.12 1.04 to 1.19
Antimalarials 0.06 0.02 to 0.18
Antiphospholipid antibodies 1.88 0.66 to 5.32
Antiphospholipid antibodies × antimalarials 2.21 0.52 to 9.33
Antiphospholipid antibodies × prednisone dose 0.98 0.88 to 1.11
  1. Antiphospholipid antibodies × antimalarials and antiphospholipid antibodies × prednisone dose are interaction variables.