Table 2.
Univariate association of various lumbar spinal phenotypes on T2‐weighted magnetic resonance imaging (MRI) and ultra‐short time‐to echo (UTE) MRI to that of spinopelvic parameters
| Lumbar phenotypes on MRI | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Disc degeneration (black disc) | Disc displacement | Modic changes | UTE disc signa | Combined disc displacement, Modic changes, and UTE disc sign | ||||||
| Spinopelvic parameters |
No n = 26 |
Yes n = 69 |
No n = 17 |
Yes n = 78 |
No n = 45 |
Yes n = 50 |
No n = 59 |
Yes n = 36 |
No n = 72 |
Yes n = 23 |
| Pelvic incidence (degrees) |
43.5 ± 11.0 |
45.7 ± 11.8 P = .420 |
47.4 ± 12.7 |
44.6 ± 11.4 P = .366 |
46.8 ± 12.0 |
43.5 ± 11.1 P = .171 |
46.4 ± 12.5 |
43.2 ± 9.9 P = .228 |
46.1 ± 11.9 |
41.9 ± 1.1 P = .127 |
| Sacral slope (degrees) |
27.6 ± 6.8 |
28.5 ± 7.3 P = .566 |
32.2 ± 8.1 |
27.4 ± 6.68 P = .010* |
3.0 ± 7.9 |
26.7 ± 5.99 P = .025* |
28.2 ± 6.9 |
28.6 ± 7.6 P = .991 |
29.1 ± 7.5 |
25.4 ± 5.3 P = .028* |
| Pelvic tilt (degrees) | 9.9 ± 9.4 |
12.2 ± 7.3 P = .207 |
1.3 ± 11.9 |
11.9 ± 6.9 P = .460 |
1.8 ± 8.5 |
12.2 ± 7.5 P = .410 |
11.7 ± 8.3 |
11.4 ± 7.5 P = .890 |
11.4 ± 8.2 |
12.0 ± 7.3 P = .763 |
| Lumbar lordosis (degrees) | 28.0 ± 11.2 |
28.8 ± 12.5 P = .762 |
35.6 ± 1.0 |
27.0 ± 12.1 P = .007* |
31.5 ± 11.8 |
25.8 ± 11.9 P = .021* |
3.0 ± 11.6 |
26.2 ± 12.8 P = .141 |
3.2 ± 11.9 |
23.6 ± 11.6 P = .023* |
| Lumbar Lordosis/pelvic incidence index | .64 ± .22 |
.65 ± .29 P = .940 |
.79 ± .27 |
.62 ± .26 P = .012* |
.69 ± .26 |
.60 ± .28 P = .116 |
.66 ± .24 |
.62 ± .32 P = .521 |
.66 ± .26 |
.58 ± .30 P = .196 |
Note: Endplate abnormalities represent structural endplate changes/defects involving the bony/cartilaginous endplates. The value of “n” represents the sample size of subjects. Values are presented as mean and SD.
Ultra‐short time‐to echo (UTE) MRI to that of spinopelvic parameters.
*P < .05.