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Table 4 Frequency of damage in the 12 organ systems/domains and the 41 items of the SDI, in our study group, with comparison with the 2 other cohorts

From: Damage index in childhood-onset systemic lupus erythematosus in Egypt

Item

Percentage

For our Egyptian study group 2012

Percentage

For Brunner HI et al, pediatric study group 2008[24]

Percentage for Gutiérrez etal, study group 2006[20]

Ocular

6.1%

42.4%

8.2%

   Cataract

3.4%

42.4

 

   Retinal change or optic atrophy

2.7%

  

Neuropsychiatric

21%

12.1%

10.7%

   Cognitive impairment or major psychosis

8.8%

  

   Seizures requiring therapy for 6 months

9.5%

  

   Cerebrovascular accident

2.7%

  

   Cranial or peripheral neuropathy (excluding optic)

0%

  

   Transverse myelitis

0%

  

Renal

16.9%

9.1%

13%

   Estimated or measured glomerular filtration rate < 50%

5.4%

  

   Proteinuria ≥ 3.5 gm/24 hours

6.1%

  

   End-stage renal disease

5.4%

  

Pulmonary

6.1%

3%

1.8%

   Pulmonary hypertension

4.7%

  

   Pulmonary fibrosis

1.4%

  

   Shrinking lung

0%

  

   Pleural fibrosis

0%

  

   Pulmonary infarction or lung resection not for malignancy

0%

  

Cardiovascular

11.5%

1.5%

3%

   Angina or coronary artery bypass

0%

  

   Myocardial infarction

0%

  

   Cardiomyopathy

2%

  

   Valvular disease

7.4%

  

   Pericarditis for 6 months or pericardiectomy

3.4%

  

Peripheral vascular

(4.8%)

3%

4.8%

   Claudication for 6 months

0%

  

   Minor tissue loss

1.4%

  

   Significant tissue loss

1.4%

  

   Venous thrombosis with swelling ulceration or venous stasis

2%

  

Gastrointestinal

0.7%

3%

2.2%

   Infarction or resection of bowel, spleen, liver, or gall bladder

0.7%

  

   Mesenteric insufficiency

0%

  

   Chronic peritonitis

0.7%

  

   Stricture or upper gastrointestinal tract surgery

0%

  

   Pancreatic insufficiency requiring enzyme replacement or with pseudo cyst

0%

  

Musculoskeletal

3.4%

16%

10.7%

   Muscle atrophy or weakness

0%

  

   Deforming or erosive arthritis

0%

  

   Osteoporosis with fracture or vertebral collapse

1.4%

  

   Avascular necrosis

1.4%

  

   Osteomyelitis

0.7%

  

   Ruptured tendons

0%

  

Skin

9.5%

5%

6.7%

   Scarring chronic alopecia

6.1%

  

   Extensive scarring or panniculum other than scalp and pulp space

1.4%

  

   Skin ulceration (excluding thrombosis) for more than 6 months

2%

  

Premature gonadal failure

0%

 

2.9%

Diabetes

1.4%

3%

0.4%

Malignancy

0%

0%

0%

Growth failure

28.3%

 

15.3%

Delayed puberty

15.1%

 

11.3%

  1. SDI = Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index
  2. N.B: One patient may have more than one damage criteria