Table 4 Differences in trunk muscle fat infiltration between 20 DM1 patients and 20 controls
From: MRI of trunk muscles and motor and respiratory function in patients with myotonic dystrophy type 1
Fat infiltration | DM1 patients | Controls | Difference | ||
|---|---|---|---|---|---|
Muscles | Median | Range | Median | Range | p-level |
a: Differences in individual muscles. Adjusted p level = 0.005. | |||||
Cranial rectus abdominis | 2 | 0–5 | 1 | 0–2 | < 0.001 |
Caudal rectus abdominis | 2 | 0–5 | 1 | 0–2 | 0.001 |
External abdominal oblique | 2 | 0–3 | 1 | 0–2 | 0.024 |
Internal abdominal oblique | 1 | 0–3 | 1 | 0–2 | 0.011 |
Transvers abdominal | 0 | 0–2 | 0 | 0–0 | 0.101 |
Psoas | 0 | 0–1 | 0 | 0–1 | 0.161 |
Erector spinae above L2/L3 | 2 | 1–4 | 1 | 0–2 | < 0.001 |
Erector spinae L2/3-L4/5 | 2 | 1–3 | 1 | 0–2 | < 0.001 |
Erector spinae below L4/L5 | 2 | 1–5 | 1 | 0–2 | < 0.001 |
Gluteus maximus | 1 | 0–3 | 1 | 0–2 | 0.018 |
b: Differences in sum scores of fat infiltration | |||||
Sum trunk flexors | 9 | (0–13) | 4 | (0–7) | 0.001 |
Sum trunk extensors | 6 | (3–11) | 3 | (0–6) | 0.000 |