Table 2 Relationship between severe IDD and BMD difference
Disc | group | Number | BMD difference | t value | p value |
|---|---|---|---|---|---|
L1/2 | non-severe IDD | 103 | 0.051 (0.079) | -2.606 | 0.01* |
severe IDD | 11 | 0.117 (0.095) | |||
L2/3 | non-severe IDD | 97 | 0.066 (0.077) | -1.316 | 0.205 |
severe IDD | 17 | 0.111 (0.140) | |||
L3/4 | non-severe IDD | 93 | 0.037 (0.102) | 1.669 | 0.098 |
severe IDD | 21 | -0.002(0.072) |