Table 2.
Post-treatment follow-up in MRC score and DASH scale with respect to the time between nerve injury and reconstruction surgery, type of damage to the radial nerve, surgery treatment, type of fracture, and type of fixation.
| Number of patients | MRC | DASH | ||||
|---|---|---|---|---|---|---|
| X±SD Me (range) |
p | X±SD Me (range) |
p | |||
| Time from injury to second operation | <6 weeks | 10 (30%) | 4.7±0.5 5 (4–5)a |
0.001** | 5.67±8.24 2.25 (0–25.0)a |
0.006** |
| Between 6–12 weeks | 12 (37%) | 3.7±1.2 4 (1–5) |
20.73±22.05 12.5 (0–75.0) |
|||
| Between 12–18 weeks | 11 (33%) | 2.0±1.8 1 (0–5)a |
51.10±32.89 75.0 (0–79.5)a |
|||
| Type of damage to the radial nerve | Entrapment | 11 (33%) | 4.7±0.5 5 (4–5)a |
<0.001** | 1.59±2.21 0 (0–4.5)a |
<0.001** |
| Rupture with a gap <1 cm | 8 (24%) | 3.9±1.0 4 (2–5) |
16.39±13.81 12.5 (0–42.5) |
|||
| Rupture with a gap >1 cm | 14 (43%) | 2.1±1.7 2 (0–5)a |
51.36±28.42 67.05 (3.0–79.5)a |
|||
| Type of fracture | Oblique | 9 (27%) | 3.8±1.3 4 (1–5) |
0.629** | 18.18±25.73 4.50 (0–75.0) |
0.587** |
| Transverse | 2 (6%) | 3.0±0 3 (3–3) |
34.10±0 34.1 (34.1–34.1) |
|||
| Spiral | 12 (37%) | 3.6±1.8 4 (0–5) |
27.28±33.27 10.25 (0–77.3) |
|||
| Comminuted | 10 (30%) | 3.0±2.1 4 (0–5) |
30.85±32.94 17.05 (0–79.5) |
|||
| Surgery treatment | Neurolysis | 11 (33%) | 4.7±0.5 5 (4–5)a |
<0.001** | 1.59±2.21 0 (0–4.5)a |
<0.001** |
| Direct neurorrhaphy | 7 (21%) | 4.0±0.6 4 (3–5) |
21.33±21.20 13.6 (0–59.1) |
|||
| Reconstruction with nerve graft | 15 (46%) | 2.2±1.8 2 (0–5)a |
46.72±29.62 34.1 (3.0–79.5)a |
|||
| Type of fixation | Plate | 16 (48%) | 3.7±1.5 4 (1–5) |
0.025* | 21.78±27.51 10.25 (0–75.0) |
0.022* |
| Intramedullary nail | 13 (39%) | 2.2±2.1 2 (0–5) |
44.52±35.74 59.1 (0–79.5) |
|||
X – mean; Me – median; SD – standard deviation;
*
Mann-Whitney U-test;
**
Kruskal-Wallis test;
a
pairwise comparison with p<0.005 following the Kruskal-Wallis test.