APOA1 and coronary artery disorder: Male CHD cases had significantly (p < 0.001) lower levels of apoA-I in very large α-1 HDL (−34.2%), large α-2 HDL (−8.8%), and small α-4 HDL (−12.9%), and significantly higher levels of apoA-I in very small preβ-1 HDL (+16.7%).