From: The diagnostic value of homocysteine for the occurrence and acute progression of chronic obstructive pulmonary disease
GOLD grade
Cases
Hcy (μmol/L)
P value
A
24
11.49 (9.00,13.44)
< 0.001
B
198
13.14 (11.22,15.23)
C
78
14.59 (12.31,15.96)