결과 변수는 만성 동폐 질환, 위장 및 영양 이상, 염분 손실 증후군으로 인한 생존 및 사망 환자로 간주하였다.
The outcome variable was considered as living and deceased patients died because of chronic sinopulmonary disease, gastrointestinal and nutritional abnormalities, and salt loss syndromes.