APOA1 and thromboangiitis obliterans: On the other hand, HDL-cholesterol and apoA-I were significantly lower in both groups of patients compared to controls (p<0.001 for both variables in PAOD patients, p<0.004 and p<0.05 respectively in patients with TAO) while Lp(a) showed higher levels in PAOD patients only (p<0.02).