Table 2.

Frequency of SLE-related organ involvement in SACQ cohort (from presentation until first SACQ period) compared to the control group (evaluated at a followup interval with the same distribution as in the SACQ group).

Organ SystemFrequency in SACQ, n = 56 (%)Frequency in Controls, n = 868 (%)p*
Musculoskeletal28 (50.0)587 (67.6)0.007
Skin41 (73.2)764 (88.0)0.001
Vasculitis15 (26.8)256 (29.5)0.67
Renal39 (69.6)661 (76.2)0.27
Central nervous system16 (28.6)420 (48.4)0.004
SLE cardiac11 (19.6)221 (25.5)0.33
Atherosclerotic cardiac3 (5.4)126 (14.5)0.07
Thromboembolic (data missing from 14)4 (9.5), n = 4270 (11.0), n = 6361.00
  • * Chi-square or Fisher’s exact test. SLE: systemic lupus erythematosus; SACQ: serologically active clinically quiescent.