Table 2 Radiographic, patient-rated and functional outcomes after radius distraction

Union time, weeks (range, SD)

12 (8 to 20; 3)

Ulnar styloid nonunion, number

6

Ulnar variance, mm (range, SD)

  Post-operative 1-month, injured wrist

-1.4 (-2.4 to 2.2; 0.8)

  Post-operative final (minimal 36 months), injured wrist

-1.2 (-2.2 to 2.2; 1.0)

  Post-operative final (minimal 36 months), contralateral uninjured wrist

0.2(-0.5 to 2.0; 0.6)

Patient-rated and Functional Outcomes

  NRS of pain, number (range; SD)

0.6 (0 to 2; 0.7)

  DASH, score (range; SD)

9.1 (0 to 20.8; 6.2)

  MMWS, score (range; SD)

87 (60 to 100; 10)

DRUJ instability

  Grade 0, injured wrist, number

32

  Grade 1, injured wrist, number

2

  Grade 0, contralateral uninjured wrist, number

26

  Grade 1, contralateral uninjured wrist, number

8

Flexion–Extension, degree (range; SD)

  Flexion

70.1 (45 to 90; 10.9)

  Extension

71.2 (50 to 90; 9.2)

Pronation-Supination, degree (range; SD)

  Pronation

79.4 (60 to 90; 10.4)

  Supination

83.0 (65 to 90; 7.9)

Radio-ulnar deviation, degree (range; SD)

  Radial deviation

24.9 (12 to 32; 7.2)

  Ulnar deviation

38.5 (25 to 50; 6.2)