Table 3 Differences in bone microarchitecture between the patients with moderate/severe vertebral deformity and the patients without vertebral fractures
From: A retrospective analysis of bone mineral status in patients requiring spinal surgery
| Â | No Deformity | Moderate Deformity | Â | Severe Deformity | Â |
|---|---|---|---|---|---|
n | 34 | 21 | Â | 12 | Â |
Mean age, years | 71 | 71.9 | Â | 72 | Â |
HR-pQCT variables | Â | Â | Â | Â | Â |
Radius (normalized to age- and sex-specific reference values) | % | % | Δ % | % | Δ % |
 Total bone area | 109.8 (15.7) | 113.4 (18.5) | + 3.5 | 110.2 (30.7) | + 0.35 |
 Cortical area | 88.8 (21.7) | 78.3 (27.3) | −10.5 | 65.4 (19.5) | −23.4* |
 Trabecular area | 110.8 (20.4) | 117.2 (24.4) | + 6.2 | 116.7 (36.8) | + 5.7 |
 Total vBMD | 94.9 (20.7) | 87.2 (18.9) | −7.6 | 76.2 (12.5) | −18.7* |
 Cortical vBMD | 83.3 (7.0) | 80.1 (8.4) | −3.1 | 77.7 (6.9) | −5.5 |
 Trabecular vBMD | 100.7 (20.7) | 93.5 (25.7) | −7.3 | 79.7 (17.4) | −21.0* |
 Cortical thickness | 70.4 (18.9) | 61.1 (24.4) | −9.4 | 50.8 (14.9) | −19.6* |
 Trabecular numbers | 106.8 (14.6) | 102.4 (22.7) | −4.4 | 92.4 (16.9) | −14.4* |
 Trabecular thickness | 94.9 (13.1) | 92.0 (17.3) | −2.8 | 87.1 (13.5) | −7.8* |
 Trabecular separation | 95.8 (15.8) | 105.3 (32.2) | + 9.5 | 116.8 (28.1) | + 20.9* |
Tibia (normalized to age- and sex-specific reference values) | % | % | Δ % | % | Δ % |
 Total bone area | 112.1 (17.5) | 115.5 (21.3) | + 3.4 | 109.8 (19.5) | −2.3 |
 Cortical area | 90.7 (15.2) | 91.6 (18.5) | + 0.9 | 81.7 (15.7) | −9.0 |
 Trabecular area | 98.3 (15.4) | 99.4 (22.6) | + 1.1 | 95.6 (20.7) | −2.6 |
 Total vBMD | 90.7 (15.2) | 91.6 (18.4) | + 0.9 | 81.7 (15.7) | −9.0 |
 Cortical vBMD | 85.8 (8.8) | 86.4 (8.9) | + 0.6 | 82.7 (7.9) | −3.1 |
 Trabecular vBMD | 98.5 (18.9) | 98.5 (23.6) | −0.0 | 87.8 (18.2) | −10.6 |
 Cortical thickness | 67.7 (21.5) | 68.9 (26.0) | + 1.2 | 58.8 (23.8) | −8.8 |
 Trabecular numbers | 110.1 (18.5) | 105.8 (25.4) | −4.3 | 102.9 (22.1) | −7.1 |
 Trabecular thickness | 90.6 (15.7) | 93.2 (12.4) | + 2.6 | 87.0 (19.1) | −3.6 |
 Trabecular separation | 94.1 (19.6) | 101.5 (29.6) | + 7.4 | 104.9 (28.9) | + 10.8 |