Table 2 The ulnar nerve flattening ratio in the asymptomatic ulnar nerve entrapment (UNE) group and the symptomatic UNE group compared to the control group
From: Role of dynamic sonography in ulnar nerve entrapment at elbow
| Â | Control group | Asymptomatic UNE group | P value | Symptomatic UNE group | P value | |
|---|---|---|---|---|---|---|
Extension (cm2) | Range | 1.1–3.4 | 1.0–3.6 | 0.03 | 1.0–3.1 | 0.08 |
Mean ± SD | 1.9 ± 0.5 | 2.2 ± 0.6 | 1.6 ± 0.6 | |||
Flexion (cm2) | Range | 1.2–4.6 | 2.1–6.8 | 0.001 | 1.0–6.8 | 0.004 |
Mean ± SD | 2.1 ± 0.8 | 3.9 ± 1.3 | 3.7 ± 1.8 | |||