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Clinically important study subgroups
| N=496 | QRS width <150ms | QRS width ≥150ms | ||
|---|---|---|---|---|
| LBBB | Non-LBBB | LBBB | Non-LBBB | |
| SAI QRST <302mV*ms | 56 (80%) | 34 (89%) | 95 (38%) | 64 (47%) |
| SAI QRST ≥ 302mV*ms | 14 (20%) | 4 (11%) | 156 (62%) | 73 (53%) |
LBBB=left bundle branch block, SAI QRST=summed absolute QRST integral.
