Table 1 The basic data of patients with intra-articular distal radius fractures

No. of patients

33

48

Age (years)

50.9 ± 6.1

52.2 ± 5.3

0.311

Gender (male/female)

15/18

20/28

0.821

Osteoporosis (yes/no)

12/21

19/29

0.819

Dominant extremity fracture (yes/no)

17/16

28/20

0.650

Preoperative swelling (slight/severe)

19/14

26/22

0.822

AO classification (type B/type C)

9/24

11/37

0.794

Associated ulnar styloid process fracture (yes/no)

11/22

18/30

0.815

Time from injury to operation (days)

3.8 ± 2.1

3.7 ± 2.4

0.847

Additional Kirschner wire fixation (yes/no)

20/13

24/24

0.373

Post-operative radial inclination (degree)

20.2 ± 3.4

21.1 ± 3.1

0.221

Post-operative volar tilt (degree)

6.5 ± 2.3

7.1 ± 2.7

0.300

Post-operative ulnar variance (mm)

2.3 ± 0.8

2.2 ± 0.5

0.491

Removal of volar plate (yes/no)

13/20

17/31

0.816

Assisted cast or splint fixation (yes/no)

18/15

22/26

0.502