Average value of bone mineral density in mg/cc from the segmented region determined using ALREP and the manual methods. ALREP results are labeled as 15-1 ALREP, 15-4 ALREP, and 15-5 ALREP; data points are connected by lines. The manual segmentation results are labeled as 15-1 manual, 15-4 manual, and 15-5 manual, and data points are shown by markers