Table 4

Birth weight z-scores in offspring of population controls, women (SLE) with inactive disease and women (SLE) with active disease*

GroupnMean (SD)Mean difference (95% CI)P value
Population controls497 959−0.11 (0.98)
Inactive disease
(LAI-P=0)
85−0.64 (0.81)0.53 (0.32 to 0.74)<0.001†
Active disease
(LAI-P>0)
63−0.54 (0.90)0.43 (0.18 to 0.67)0.001†
−0.10 (−0.40 to 0.22)0.53‡
  • *Unadjusted analysis.

  • †Compared with population controls.

  • ‡Compared with inactive disease.

  • LAI-P, Lupus Activity Index in Pregnancy; SLE, systemic lupus erythematosus.