| 
	     AVs: aortic valves; HO: heterotopic ossification;    ThNC-Vs: thin capillary vessel-like neovessels; ThKA-Vs: thick arteriole-like    neovessels.
	       |  | Postmortem AVs with HO(n=4)
 | Postmortem AVs    without HO (n=71) | P-value |  
	       | Age (y), range    (mean) | 64-86 (76.3) | 50-88 (71.0) | 0.308* |  
	       | Gender (male/female) | 3/1 | 43/28 | 0.961† |  
	       | Moderate calcification | 1 | 5 | 0.289‡ |  
	       | Foamy cell aggregation | 4 | 38 | 0.034‡ |  
	       | Lymphoplasmacytic infiltration | 0 | 4 | 0.512† |  *Unpaired t-test.
 †Chi-square test.
 ‡Fisher’s exact test.
 |