Table 2.

Cumulative ACR criteria, disease activity, and damage in patients with SLE with and without Sjögren’s syndrome. Values are given as mean ± SD.

FeatureSS PresentSS Absentp*
Cumulative ACR criteria for SLE6.4 ± 1.86.0 ± 1.80.004
Maximum SELENA SLEDAI score7.9 ± 5.67.7 ± 5.1NS
Disease duration, yrs19.5 ± 9.816.4 ± 9.7< 0.001
SLICC/ACR Damage Index score3.8 ± 3.42.8 ± 2.9< 0.001
  • * p value by Student t test. ACR: American College of Rheumatology; SLE: systemic lupus erythematosus; SELENA: Safety of Estrogens in Lupus Erythematosus: National Assessment; SLEDAI: SLE Disease Activity Index; SLICC: Systemic Lupus International Collaborating Clinics.