Pulmonary alveolar proteinosis complicated with nocardiosis: A case report and review of the literature

Table 3 Efficacy before and after treatment

	August 2018	April 2019	December 2019
Dyspnea index	2	2	0
Supplemental O2 in L/min	5	3	0
PaO2 in mmHg	50.7	62.6	95.8
SaO2 in mmHg	86.1	91.5	97

Dyspnea index: 0: Asymptomatic while climbing stairs; 1: Symptomatic while climbing stairs; 2: Symptomatic after walking 100 m on flat ground; 3: Symptomatic with the least effort (e.g., talking, getting dressed); 4: Symptomatic in bed, at rest. PaO₂: Arterial partial pressure of oxygen (blood gas); SaO₂: Arterial oxygen saturation (blood gas).