Table 3.
LV Dyssynchrony and QRSd in ICM vs. DCM
| Patients with ICM (N=17) |
Patients with DCM | |||
|---|---|---|---|---|
| Entire Group (N=47) |
QRSd ≥150 ms (N=26) |
QRSd <150 ms (N=21) |
||
| PSD (°) | 50.6 ± 20.6 | 40.0 ± 18.3* | 45.4 ± 18.5 | 33.4 ± 16.2* |
| PHB (°) | 171.9 ± 83.8 | 128.2 ± 68.5* | 148.4 ± 72.8 | 103 .2 ± 54.5* |
| QRSd (ms) | 144 ± 23 | 151 ± 16 | 163 ± 11* | 138 ± 7 |
Unpaired t test was used compare the ICM patients to the DCM patients as an entire group and as in two sub-groups with wide and moderate QRS durations, respectively.
Statistical significance by the unpaired t test with unequal variance (p<0.05)