Table 1 Analysis of the risk factors for preoperative bone turnover markers for FD patients

 ≤ 14 (N = 23)

359.8 ± 356.8

<0.001

2.45 ± 0.14

<0.001

1.75 ± 0.25

<0.001

 15–18 (N = 18)

232.4 ± 178.3

2.42 ± 0.28

1.49 ± 0.23

 ≥ 19 (N = 118)

90.4 ± 62.9

2.32 ± 0.13

1.23 ± 0.17

 Male (N = 85)

189.68 ± 235.01

0.001

2.38 ± 0.18

0.037

1.32 ± 0.30

0.592

 Female (N = 74)

94.65 ± 70.06

2.33 ± 0.13

1.35 ± 0.23

 < 25 (N = 117)

156.26 ± 206.42

0.090

2.36 ± 0.17

0.183

1.36 ± 0.27

0.043

 ≥ 25 (N = 42)

115.36 ± 93.77

2.33 ± 0.14

1.26 ± 0.24

 Limb (N = 122)

159.24 ± 206.75

0.004

2.37 ± 0.17

0.045

1.36 ± 0.28

0.008

 Axial skeletal (N = 37)

100.00 ± 47.97

2.31 ± 0.13

1.25 ± 0.19

 Yes (N = 12)

150.17 ± 108.34

0.927

2.48 ± 0.12

0.007

1.31 ± 0.26

0.705

 No (N = 147)

145.07 ± 189.18

2.34 ± 0.16

1.34 ± 0.27

 Yes (N = 16)

185.31 ± 153.56

0.363

2.36 ± 0.15

0.889

1.32 ± 0.37

0.819

 No (N = 143)

140.99 ± 187.14

2.35 ± 0.16

1.34 ± 0.26

 PFD (N = 32)

238.13 ± 350.23

0.001

2.31 ± 0.15

0.121

1.24 ± 0.21

0.008

 MFD (N = 127)

122.10 ± 97.93

2.36 ± 0.17

1.36 ± 0.28

 Yes (N = 3)

158.33 ± 87.59

0.903

2.31 ± 0.17

0.613

1.66 ± 0.30

0.033

 No (N = 156)

145.21 ± 185.59

2.35 ± 0.16

1.33 ± 0.27

Deformity

 Yes (N = 17)

313.12 ± 440.86

<0.001

2.26 ± 0.15

0.009

1.20 ± 0.27

0.026

 No (N = 142)

125.15 ± 110.49

2.37 ± 0.16

1.35 ± 0.27