Translation, and interobserver and test-retest reliability of the Brazilian Portuguese version of Children's Hospital Oakland Hip Evaluation Scale for patients with sickle cell disease.

Background: The Children's Hospital Oakland Hip Evaluation Scale is a disease-specific tool for the clinical and functional assessment of the hip in sickle cell disease.

Objectives: To translate the tool into Brazilian Portuguese and evaluate the interobserver and test-retest reliability.

Methods: Eighteen patients diagnosed with sickle cell disease and a mean age of 49±11.