| Day 3 | Day 5 | Day 7 |
---|---|---|---|
 | n = 43/21* | n = 38/18* | n = 21/15* |
Biceps brachii muscle atrophy ratio | Â | Â | Â |
 Survivors (%) | 5.8 (1.7–11.9) | 10.8 (2.7–12.1) | 12.2 (9.0–13.9) |
 Non-survivors (%) | 8.0 (3.7–10.1) | 14.8 (7.3–17.0) | 19.6 (12.5–28.3) |
 Univariate analysis p valuea | 0.43 | 0.01 | < 0.01 |
 Multivariate analysis p valueb | 0.38 | 0.01 | < 0.01 |
Rectus femoris muscle atrophy ratio | Â | Â | Â |
 Survivors (%) | 6.1 (0.7–11.5) | 11.0 (3.4–18.9) | 15.6 (3.3–18.0) |
 Non-survivors (%) | 11.1 (4.6–17.6) | 18.0 (12.2–23.5) | 23.9 (20.2–31.3) |
 Univariate analysis p valuea | 0.32 | 0.01 | < 0.01 |
 Multivariate analysis p valueb | 0.78 | 0.049 | < 0.01 |