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Table 1 Distribution of the participants according to the frequency and intensity of painful crises

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

Variables N %
Number of crises per year
 0–3 34 61.8
 ≥ 4 21 38.2
Intensity of pain in crises
 Mild and moderate 19 34.5
 High 36 65.5