Table 2.
The factors influencing DWI signals in lumbar spine.
| Variables | Univariate analysis |
Multivariate analysis |
||||
|---|---|---|---|---|---|---|
| High signal (M/W= 29/51) | Iso-low signal (M/W= 70/52) | P | OR(95 % CI) | P | ||
| Men | Age (y) | 48.07 ± 14.61 | 49.86 ± 13.55 | 0.557 | - | - |
| Fat fraction (%) | 40.28(31.32, 69.48) | 63.83(44.65, 72.25) | 0.008 | - | - | |
| BMI (kg/m2) | 22.48 ± 2.53 | 23.11 ± 2.82 | 0.292 | - | - | |
| Smoking (Y/N) | 8/21 | 23/47 | 0.607 | - | - | |
| Women | Age (y) | 40.00(34.00, 48.00) | 58.00(54.25, 64.00) | ＜0.001 | 0.90(0.80, 0.99) | 0.046 |
| Fat fraction (%) | 40.28(31.97, 53.27) | 73.11(62.44, 76.64) | ＜0.001 | 0.95(0.92, 0.99) | 0.005 | |
| BMI (kg/m2) | 22.50(20.30, 23.90) | 23.15(21.38, 25.48) | 0.334 | - | - | |
| Menstrual status (Pre/Post) |
39/12 | 5/47 | ＜0.001 | 2.97(0.48, 18.31) | 0.242 | |
Note. BMI: Body mass index; NA: Not applicable.