Quantitative morphological changes in group A (response to dobutamine) and B (no response)
| Group A | Group B | p Value | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean (SD) | Median (IQR) | Mean (SD) | Median (IQR) | ||||||
| Damaged myofibrils (%) | 11 (5) | 13 (7 to 16) | 26 (8) | 28 (11 to 33) | 0.0009 | ||||
| Glycogen-rich cells (%) | 17 (10) | 12 (10 to 26) | 28 (11) | 24 (22 to 42) | 0.028 | ||||
| Interstitial fibrosis (%) | 14 (9) | 11 (6 to 21) | 13 (9) | 11 (5 to 18) | 0.850 | ||||
IQR, interquartile range.