Bone Regeneration Effect of Hyperbaric Oxygen Therapy Duration on Calvarial Defects in Irradiated Rats

Table 4

Histomorphometric analysis of grafted side (mean±SD). %NBA, percent new bone area (new bone area/total area; mm²); %RMA, percent residual material area (residual material area/total area; mm²); %CTA, percent connective tissue area (connective tissue area/total area; mm²); %BVN, percent blood vessel number (blood vessel number/total area; 1/mm²); significant differences compared the positive control and negative control group; † significant differences compared the negative control and HBO-1 group; ‡ significant differences compared the negative control and HBO-3 group.

	Positive control	Negative control	HBO-1	HBO-3
%NBA	14.94 ± 7.99	0.68 ± 0.42 † ‡	10.83 ± 15.43 †	7.89 ± 6.66 ‡
%RMA	21.12 ± 11.25	37.02 ± 16.23	13.84 ± 5.27	19.31 ± 12.58
%CTA	63.94 ± 8.44	62.31 ± 16.45	75.33 ± 16.24	72.80 ± 9.91
BVN ratio	8.64 ± 10.99	3.76 ± 7.73 † ‡	23.06 ± 9.60 †	25.87 ± 23.06 ‡