Ross et al developed a model for predicting tibial non-union based on findings at 6 weeks after definitive fixation. The authors are from University of Maryland in Baltimore.
Patient selection: tibial fracture
Outcome: non-union
Parameters:
(1) RUST score of Whelan et al (from 4 to 12)
(2) NURD score of O'Halloran et al (0 to 21)
(3) infection at site within 6 weeks
RUST Score
NURD Score
Infection
Non-Union Rate
>= 10 (high)
NA
no
0%
6 to 9 (medium)
< 7
no
5%
6 to 9 (medium)
>= 7
no
25%
< 6 (low)
< 7
no
23%
< 6 (low)
>= 7
no
69%
NA
< 7
yes
23%
NA
>= 7
yes
69%
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