The new predictive score (pulmonary disease, age, IgM, CD16+/CD56+NK cell, AST; PAINT score) = (pulmonary disease) × 2.4174 + (age > 75) × 1.3594 + (IgM < 0.84) × 1.8399 + (CD16+/CD56+ NK cell < 116.5) × 1.2246 + (AST > 25) × 1.5182. Here, CD40LG is linked to lung disorder.