Table 3. Analysis of plasma YKL-40, CRP level and plaque morphology in group A1, A2 and B at 18^th week.

	A1(n = 7)	A2(n = 8)	B(n = 15)
YKL-40 (ng/ml)	19.5±2.1* #	5.9±0.6†	5.8±0.5
CRP (mg/L)	191.6±44.8△#	187.5±32.5#	147.8±33.7
Unstable plaque (n, %)	6 (86%)* #	2 (25%)†	3 (20%)
Plaque size (mm2)	6.8±1.1* #	3.7±0.7†	3.9±0.9

^*p<0.05, significantly different from group A2;

^#p<0.05, significantly different from group B;

^†p>0.05, no significantly different from group B.

^△p>0.05, no significantly different from group A2.