Table 2.
CMR findings between normal individuals, newly diagnosed and longer-term DM patients
| Normal n = 30 |
Newly diagnosed DM n = 31 |
Longer-term DM n = 40 |
|
|---|---|---|---|
| LVEDVI, ml/m2 | 76.95 ± 12.31 | 74.68 ± 11.55 | 73.31 ± 10.38 |
| LVESVI, ml/m2 | 28.70 ± 5.23 | 30.09 ± 10.22 | 30.41 ± 9.36 |
| LVSVI, ml/m2 | 48.24 ± 8.06 | 44.59 ± 8.26 | 41.54 ± 9.20* |
| LVEF, % | 62.70 ± 3.39 | 60.05 ± 8.45 | 58.86 ± 8.93 |
| Upslope | 2.66 ± 0.56 | 2.12 ± 0.90* | 1.81 ± 0.87* |
| TTM (s) | 31.45 ± 5.45 | 33.91 ± 11.73 | 37.85 ± 11.03* |
| Max SI | 22.95 ± 4.29 | 19.84 ± 5.11 | 17.98 ± 7.91*§ |
| PS (%) | |||
| Radial | 43.33 ± 8.50 | 44.98 ± 9.11 | 41.95 ± 10.85 |
| Circumferential | − 18.97 ± 1.38 | − 19.27 ± 2.76 | − 18.12 ± 2.80 |
| Longitudinal | − 16.51 ± 2.16 | − 16.12 ± 2.80 | − 14.72 ± 2.48* |
| PSSR (1/s) | |||
| Radial | 2.49 ± 0.51 | 2.74 ± 0.73 | 2.46 ± 0.97 |
| Circumferential | − 0.99 ± 0.16 | − 0.98 ± 0.19 | − 0.92 ± 0.22 |
| Longitudinal | − 0.85 ± 0.18 | − 0.88 ± 0.20 | − 0.75 ± 0.15§ |
| PDSR (1/s) | |||
| Radial | − 3.47 ± 0.89 | − 3.56 ± 1.31 | − 2.60 ± 1.41*§ |
| Circumferential | 1.35 ± 0.25 | 1.20 ± 0.28* | 0.97 ± 0.20*§ |
| Longitudinal | 1.14 ± 0.20 | 0.97 ± 0.21* | 0.77 ± 0.14*§ |
Data given as the mean ± SD
LV, left ventricular; EDV, end diastolic volume; ESV, end systolic volume; SV, stroke volume; I, indexed to BSA; EF, ejection fraction; Time Max, time to maximum signal intensity; Max SI, max signal intensity; PS, Peak Strain; PSSR, Peak Systolic Strain Rate; PDR, Peak Diastolic Strain Rate
* p < 0.017 versus normal group (LSD)
§ p < 0.017 versus newly diagnosed DM patients (LSD)