In wich, the percentage of limited ventilatory disorders was 12.7%; limited ventilatory disorders was 0.1%; mixed ventilatory disorders was 0.9%.
Trong đó, hạn chế chiếm 12,7%; Tắc nghẽn chiếm 9,1%. Rối loạn thông khí thể hỗn hợp chiếm 0,9%.