T group

n = 18

TL group

n = 38

p-value

Age (median)

[range]

66.8 years

[55 - 75]

69.5 years

[54 - 83]

0.197

sex (% men)

11.1%

44.7%

0.0162*

Curve type (% type)

(SRS-Schwab classification)

N 61%

L 22%, D 17%

N 74%

L 24%, D 3%

0.141

Number of levels fused (median)

[range]

7.9

[7 - 10]

3.6

[3 - 6]

<0.001*

Follow-up period (median)

[range]

4.7 years

[2 - 7]

4.8 years

[2 - 11]

0.936

Hip BMD (median)

[range]

0.631 g/cm²

[0.544 - 0.742]

0.645 g/cm²

[0.347 - 0.909]

0.759