Table 2. Statistical testing (Kruskal–Wallis Test) of clinical parameters.
| Groups | N | Median | 25-Percentile | 75- Percentile | p-value overall test | Pairwise comparison | padj-value | |
|---|---|---|---|---|---|---|---|---|
| LVEF, % | CHD VT | 23 | 35.00 | 26.13 | 45.00 | 0.000 | DCM VT - CHD VT | 0.067 |
| DCM VT | 32 | 24.50 | 18.25 | 30.00 | DCM VT - iVT | 0.000 | ||
| iVT | 37 | 61.29 | 57.13 | 67.48 | CHD VT - iVT | 0.000 | ||
| LA, mm | CHD VT | 23 | 44.00 | 37.00 | 46.00 | 0.000 | DCM VT - CHD VT | 0.537 |
| DCM VT | 32 | 45.50 | 42.00 | 49.75 | DCM VT - iVT | 0.000 | ||
| iVT | 37 | 31.00 | 26.60 | 35.00 | CHD VT - iVT | 0.000 | ||
| LV EDD, cm | CHD VT | 23 | 6.10 | 5.70 | 6.60 | 0.000 | DCM VT - CHD VT | 0.153 |
| DCM VT | 32 | 6.87 | 6.33 | 7.45 | DCM VT - iVT | 0.000 | ||
| iVT | 37 | 4.70 | 4.22 | 4.97 | CHD VT - iVT | 0.000 | ||
| LV ESD, cm | CHD VT | 23 | 4.80 | 4.00 | 5.90 | 0.000 | DCM VT - CHD VT | 0.099 |
| DCM VT | 32 | 5.92 | 5.63 | 6.50 | DCM VT - iVT | 0.000 | ||
| iVT | 37 | 3.20 | 2.63 | 3.50 | CHD VT - iVT | 0.000 | ||
| QRS Interval, ms | CHD VT | 23 | 104.00 | 98.00 | 122.00 | 0.000 | DCM VT - CHD VT | 1.000 |
| DCM VT | 32 | 113.00 | 98.50 | 122.00 | DCM VT - iVT | 0.000 | ||
| iVT | 37 | 86.00 | 80.00 | 97.00 | CHD VT - iVT | 0.001 | ||
| QT Interval, ms | CHD VT | 23 | 400.00 | 374.00 | 450.00 | 0.203 | ||
| DCM VT | 32 | 394.00 | 363.00 | 403.50 | ||||
| iVT | 37 | 400.00 | 380.00 | 427.00 |
Notes.
- CHD
- coronary heart disease
- DCM
- dilated cardiomyopathy
- VT
- ventricular tachycardia
- iVT
- idiopathic ventricular tachycardia
- CM
- cardiomyopathy
- SCD
- sudden cardiac death
- LVEF
- left ventricle ejection fraction
- LA
- Left atrial dimension
- LV EDD
- Left ventricular end-diastolic dimension
- LV ESD
- Left ventricular end-systolic dimension