highly significantp < 0.001
When the groups separated according to the presence of osteoporosis were compared among themselves ( n 1 = 72, n 2 = 66, n 3 = 18) according to the degree of DI, it was found to be statistically highly significant, similar to the SI grade results (normal–osteopenia, osteopenia–osteoporosis, and normal–osteoporosis, all three p < 0.001).