Figure 5
From: Low alanine aminotransferase as a risk factor for chronic obstructive pulmonary disease in males

Study flowchart. ALT alanine aminotransferase, COPD chronic obstructive pulmonary disease, NHIS National Health Insurance Survey.
From: Low alanine aminotransferase as a risk factor for chronic obstructive pulmonary disease in males

Study flowchart. ALT alanine aminotransferase, COPD chronic obstructive pulmonary disease, NHIS National Health Insurance Survey.