|
Number
|
91
|
15
|
106
| |
2025
|
|
Sex
| | | |
0.792
| |
|
Female, n (%)
|
70 (76.9)
|
12 (80.0)
|
82 (77.4)
| |
1704 (84.1)
|
|
Age, median (IQR), y
|
61.0 (54.0–72.0)
|
72.0 (66.0–75.0)
|
62.5 (54.8–72.0)
|
0.039
|
69.0 (59.0–77.0)
|
|
Age, mean ± SD, y
|
62.4 ± 12.2
|
69.3 ± 9.3
|
63.3 ± 12.0
|
0.039
|
67.9 ± 11.9
|
|
Overall mean skull HU value, median (IQR)
|
730.8 (581.5–874.0)
|
547.8 (430.5–725.8)
|
711.6 (547.2–860.7)
|
0.025
|
625.7 (483.8–791.5)
|
|
Overall mean skull HU value, mean ± SD
|
737.9 ± 248.9
|
584.5 ± 189.4
|
716.2 ± 246.6
|
0.025
|
653.0 ± 229.9
|
|
Mean HU value at each of four sites in the frontal skull, mean ± SD
| | | | | |
|
Right lateral
|
700.3 ± 238.3
|
582.5 ± 133.7
|
683.6 ± 229.7
|
0.065
|
598.1 ± 220.4
|
|
Right medial
|
780.8 ± 287.3
|
615.5 ± 229.1
|
757.4 ± 284.8
|
0.037
|
704.1 ± 263.6
|
|
Left medial
|
754.5 ± 283.1
|
599.5 ± 250.0
|
732.6 ± 282.8
|
0.049
|
698.4 ± 262.4
|
|
Left lateral
|
716.2 ± 255.2
|
540.7 ± 178.8
|
691.3 ± 252.7
|
0.012
|
611.5 ± 224.8
|
|
Average, medial
|
767.7 ± 281.5
|
607.5 ± 235.2
|
745.0 ± 280.1
|
0.040
|
701.2 ± 257.9
|
|
Average, lateral
|
708.2 ± 240.1
|
561.6 ± 153.6
|
687.5 ± 234.9
|
0.024
|
604.8 ± 216.5
|
|
Time interval between brain CT and BMD, median (IQR), days
|
N/A
|
N/A
|
N/A
| |
151.0 (9.0–487.0)
|
|
T-score, mean ± SD
|
N/A
|
N/A
|
N/A
| |
− 1.99 ± 1.22
|
|
Lumbar spine
|
N/A
|
N/A
|
N/A
| |
− 1.65 ± 1.43
|
|
Femur neck
|
N/A
|
N/A
|
N/A
| |
− 1.40 ± 1.20
|
|
BMD categories, n (%)
| | | | | |
|
Normal (T-score > − 1.0)
|
N/A
|
N/A
|
N/A
| |
381 (18.8)
|
|
Osteopenia (T-score > − 2.5 and ≤ 1.0)
|
N/A
|
N/A
|
N/A
| |
902 (44.5)
|
|
Osteoporosis (T-score ≤ -2.5)
|
N/A
|
N/A
|
N/A
| |
742 (36.6)
|
