Reference equation for 6-min walk distance in healthy North African children 6-16 years old.

Rationale: To assess the need for a 6-min walk distance (6-MWD) reference equation for healthy North African children 6-16 years old.

Methods: Prospective cross-sectional study. Anthropometric data and 6-MWD were measured in 200 healthy Tunisian children (100 girls) from 6 to 16 years old.