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Electrocardiographic variables in COPD patients with PH and a PVR < 3 or ≥ 3 Wood Units
|
PVR < 3 WU
Mean (SD) or n (%) |
PVR ≥ 3 WU
Mean (SD) or n (%) |
p | |
|---|---|---|---|
| n (%) | 51 (57) | 39 (43) | |
| P axis (degrees) | 67 (25) | 77 (15) | 0.02 |
| QRS axis (degrees) | 53 (40) | 70 (21) | 0.02 |
| R wave amplitude in lead I (mV) | 0.4 (0.2) | 0.3 (0.10) | 0.007 |
| R wave amplitude in lead V6 (mV) | 0.9 (0.4) | 0.8 (0.4) | 0.05 |
Abbreviations: WU: Wood Units.
