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Table 1 The characteristics of systemic lupus erythematosus (SLE) patients included in the study (n = 134). S.D., standard deviation; ANA, anti-nuclear antibody

From: High prevalence of protein tyrosine phosphatase non-receptor N22 gene functional variant R620W in systemic lupus erythematosus patients from Kuwait: implications for disease susceptibility

Gender ratio (Female: Male) 11: 1 (123/11)
Mean age (± S.D.), years 36.7 (±  9.3)
Mean age at diagnosis (± S.D.), years 30.6 (±  8.3)
Mean disease duration (range), months 48 (6–280)
Clinical manifestations: n (%)
Malar rash 73 (54.4)
Mouth ulcers 26 (19.4)
Photosensitivity 25 (18.7)
Discoid rash 9 (6.7)
Raynaud’s phenomenon 22 (16.4)
Arthritis 128 (95.5)
Serositis 29 (21.6)
Renal involvement 22 (16.4)
Hematological abnormalities 51 (38)
Neurological disorders 5 (3.7)
Immunological abnormalitiesa 95 (70.9)
ANAb 134 (100)
Hypertensionc 7 (5.2)
  1. aAs per criteria of the American College of Rheumatology (ACR) [23]
  2. bA standard indirect immunofluorescence method was used for detection and ascertainment as per ACR criteria and cutoff limits [23]
  3. cBlood Pressure > 140/90 mmHg (or > 130/80 mmHg in the case of renal insufficiency)