Table 3.
Distribution of ST depression in various ECG leads segregated according to the infarct-related artery (IRA) in patients with single-vessel disease only (n = 32).
| ST depression | LAD | LCX | OM1 | D1 | RI | Total | p value |
|---|---|---|---|---|---|---|---|
| II | 8 (36.4) | 1 (4.5) | 4 (18.2) | 7 (21.8) | 2 (9.1) | 22 | 0.204 |
| III | 10 (32.3) | 2 (6.5) | 4 (12.9) | 13 (41.9) | 2 (6.5) | 31 | 0.857 |
| avF | 9 (29.0) | 2 (6.5) | 4 (12.9) | 14 (45.2) | 2 (6.5) | 31 | 0.686 |
| avR | 1 (25.00 | 1 (25.0) | 0 (0) | 1 (25.0) | 1 (25) | 4 | 0.189 |
| V1 | 2 (22.2) | 1 (11.1) | 3 (33.3) | 1 (11.1) | 2 (22.2) | 9 | 0.010∗ |
| V2 | 1 (10) | 2 (20.0) | 4 (40.0) | 1 (10.0) | 2 (20.0) | 10 | <0.001∗ |
| V3 | 3 (23.1) | 2 (15.4) | 4 (30.8) | 2 (15.4) | 2 (15.4) | 13 | 0.003∗ |
| V4 | 3 (21.4) | 2 (14.3) | 4 (28.6) | 3 (21.4) | 2 (14.3) | 14 | 0.008∗ |
| V5 | 3 (33.3) | 1 (11.1) | 1 (11.1) | 4 (44.4) | 0 (0) | 9 | 0.862 |
| V6 | 4 (44.4) | 0 (0) | 1 (11.1) | 4 (44.4) | 0 (0) | 9 | 0.684 |
LAD: left anterior descending; LCX: left circumflex; OM1: first obtuse marginal; D1: first diagonal artery; RI: ramus intermedius; PCI: percutaneous coronary intervention.