Serum Bilirubin Levels and Disease Severity in Patients with Pneumoconiosis

Table 1

Clinical and laboratory characteristics of the pneumoconiosis patients.

Variables
Male, n (%)	42 (93.3)
Age (years)	52 ± 9
Smoking history, n (%)	24 (53.3)
Pulmonary tuberculosis history, n (%)	15 (33.3)
Diabetes mellitus	1 (2.2)
Hypertension	6 (13.3)
Radiological severity
I/II stage, n (%)	21 (46.7)
III stage, n (%)	24 (53.3)
Total protein (g/L)	66.5 ± 5.5
Alanine aminotransferase (U/L)	17.0 (13.2–21.6)
Aspartate aminotransferase (U/L)	20.8 (18.0–24.5)
Serum direct bilirubin (μmol/L)	3.2 ± 1.1
Serum indirect bilirubin (μmol/L)	3.9 (3.0–6.3)