Comparisons of Efficacy between Autograft and Allograft on Defect Repair In Vivo in Normal and Osteoporotic Rats

Figure 1

Illustration of study design. 24 rats were included and divided into normal or osteoporotic groups. 12 rats each. Each rat had a group of autograft and allograft in the left and right tibia for a total of 24 samples from normal bone and 24 samples for the osteoporotic bone. T1 (week 0): day for surgery; T2 (weeks 0, 1, 2, 3): micro-CT scans; T3: histology section.