Table 3 Preoperative and postoperative radiographic findings in surgical (external skeletal fixation and volar locking plate fixation) and cast fixation groups

pRH

5.2 (4.0, 9.9)

8.4 (6.9, 9.8)

0.354

pRI

13.3 (9.5, 19.6)

20.0 (17.1, 22.9)

0.222

pVT

− 16 (− 23, − 10)

− 25.2 (− 29.4, − 19.8)

0.093

pUV

3.72 (2.9, 4.1)

4.6 (2.3, 8.1)

0.435

pSO

2.4 (1.3, 3.0)

2.0 (1.4, 2.2)

0.354

iRH

11.2 (10.8, 11.9)

11.5 (10.9, 12.2)

0.833

iRI

13.3 (11.4, 15.6)

20.9 (19.8, 24.3)

0.002*

iVT

− 2.6 (− 5.5, − 1.2)

7.5 (− 2.3, 9.5)

0.093

iUV

1.9 (1.1, 2.3)

0.15 (0, 1.9)

0.127

iSO

1.8 (1.4,1.9)

0.4 (0.3, 0.7)

0.030*

fRH

4.9 (− 0.9, 6.2)

10.2 (9.4, 11.4)

0.003*

fRI

10.6 (− 0.3, 14.5)

20.0 (15.4, 23.7)

0.030*

fVT

− 16 (− 26.5, − 12.5)

4.1 (− 7.3, 10.8)

0.002*

fUV

3.7 (2.95, 8.2)

1.4 (0.2, 2.4)

0.019*

fSO

2.8 (1.67, 3.95)

0.4 (0.2, 1.1)

0.006*