The Clinical Clues of Pulmonary Alveolar Proteinosis: A Report of 11 Cases and Literature Review

Table 1

Clinical characteristics of PAP patients.

	(%) & median; 11
Age, year	51 (30–66)
Gender
Male	7 (64)
Female	4 (36)
Smoking status
Never smoker	4 (36)
Current or ex-smoker	7 (64)
Dust exposure	2 (18)
Disease duration, month	8 (0.25–60)
Clinical symptoms
Asymptomatic	1 (9)
Symptomatic
Dyspnea	10 (91)
Cough	8 (73)
Chest	2 (18)
Fever	4 (36)
Physical examination
Inspiratory crackle	6 (55)
Digital clubbing	5 (45)
Cyanosis	2 (18)
Normal	2 (18)