Table 1

Distribution of 2nd AI in 600 individual patients who had SLE

DiagnosisAPSRASjögren'sOther rheumThyroidNon-rheumNo.TotalPer cent
SLE only37162
+75
+16
SLE +1 other dx+1820134
+19
+40
+33
++1
++1
+++1
++3
SLE + >2 other dx++4285
+++1
++8
++2
++2
++1
+++2
+++1
++1
ALL SLE942528284944229600100

  • APS accounted for most overlaps, but other illnesses were frequent.

  • 2nd AI, second autoimmune illness; APS, antiphospholipid syndrome; dx, diagnosis; RA, rheumatoid arthritis; rheum, rheumatic 2nd AI; SLE, systemic lupus erythematosus.