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Table 3 Evaluation of the number of lesions according to epidemiological and clinical characteristics

From: Chronic osteo-articular changes in patients with sickle cell disease

Number of injuries
Clinical data 0 1–4 ≥5 Total p value*
  N % N % N % N %  
Sex
 Male 6 33.3 11 61.1 1 5.6 18 100 0.1156
 Female 5 13.6 24 64.8 8 21.6 37 100
 Total 11 20.0 35 63.6 9 16.4 55 100
Skin color
 Black 4 14.8 19 70.4 4 14.8 27 100 0.5575
 Non-black 7 25.0 16 57.1 5 17.9 28 100
 Total 11 20.0 35 63.6 9 16.4 55 100
Age
 Young 7 33.3 12 57.1 2 9.6 21 100 0.1215
 Adults 4 11.7 23 67.6 7 20.6 34 100
 Total 11 20.0 35 63.6 9 16.4 55 100
Number of crises per year
 0–3 5 14.7 24 70.6 5 14.7 34 100 0.3546
 ≥ 4 6 28.6 11 52.4 4 19.0 21 100
 Total 11 20.0 35 63.6 9 16.4 55 100
Intensity of crises
 Mild and moderate 4 21.1 12 63.2 3 15.8 19 100 0.9886
 High 7 19.4 23 63.9 6 16.7 36 100
 Total 11 20.0 35 63.6 9 16.4 55 100
HU use ≥ 1 years
 Yes 4 11.4 28 72.8 3 8.6 35 100 0.0038**
 No 7 35.0 7 35.0 6 30.0 20 100
 Total 11 20.0 35 63.6 9 16.4 55 100
  1. * X2 test; ** statistically significant