Table 3.
ECG characteristics of study groups.
| G-I (n = 39) | G-II (n = 61) | P value | ||
|---|---|---|---|---|
| Q waves on admission | Yes n (%) | 13 (33.3) | 9 (14.8) | 0.029 |
| Preprocedural Maximum ST elevation (mm)a | Mean ± SD | 4.2 ± 1.9 | 3.2 ± 1.8 | 0.01 |
| Single-lead STR (%) | Mean ± SD | 54 ± 20 | 79 ± 11 | <0.001 |
| Preprocedural QRSD (ms) | Mean ± SD | 96 ± 22 | 83 ± 12 | 0.001 |
| Postprocedural QRSD (ms) | Mean ± SD | 90 ± 20 | 75 ± 12 | <0.001 |
| Preprocedural RWPT (ms) | Mean ± SD | 60 ± 17 | 40 ± 6 | <0.001 |
| Postprocedural RWPT (ms) | Mean ± SD | 58 ± 18 | 34 ± 6 | <0.001 |
a
Measured on lead with the highest elevation, ms = millisecond, QRSD = QRS complex duration, STR = ST Resolution, RWPT = R-wave Peak Time.