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Table 1 Patient profile: Demographics and clinical features

From: Primary Sjögren's Syndrome: health experiences and predictors of health quality among patients in the United States

Demographics and Clinical Characteristics PhysR-PSS Controls
  N = 277 N = 606
Age (Mean ± S.D.) 62 ± 12.6 61 ± 12.2
Gender (% Female) 90% 92%
Employment Status   
   Employed (net) 38% 49% (1,2)
   Not Employed (due to disability) 12%* 0%
Disease Duration (Mean ± S.D.) 9.0 ± 8.4 N/A
Time from first symptom to diagnosis (Mean ± S.D.) 7.1 ± 9.4 N/A
Extra-glandular Symptoms   
   Raynaud's 51%* 14%
   Forgetfulness 67% 62%
   Depression (reported by patient) 54%* 41%
   Lymph node pain or swelling 41%* 12%
   Muscle pain 60%* 42%
   Joint pain 78%* 52%
   Neuropathy ("pins and needles," tingling and/or numbness in extremities) 70%* 41%
Extra-glandular Conditions   
   Purpura/petechia 14%* 4%
   Vasculitis 17%* 2%
   CNS Sjögren's 22%* 1%
   Leucopenia 21%* 5%
   Lymphoma 12%* 2%
   Lung Disease 16%* 6%
Ocular Sicca-related Disorders   
   Chronic blepharitis 30%* 5%
   Corneal scarring 18%* 2%
  1. * p < .05.