Table 3 Patient characteristics
From: Orthogonal P-wave morphology is affected by intra-atrial pressures
Markedly elevated intra-atrial pressure | |||||
|---|---|---|---|---|---|
All (n = 165) | Left (n = 38) | Right (n = 51) | Both (n = 76) | P | |
Age (n = 165) | 54 ± 16 | 51 ± 14 | 59 ± 17 | 52 ± 15 | 0.02 |
Male (n = 165) | 90 (55%) | 26 (68%) | 21 (41%) | 43 (57%) | 0.03 |
Diastolic blood pressure (mmHg) (n = 152) | 75 ± 13 | 73 ± 11 | 79 ± 13 | 73 ± 13 | 0.01 |
Mean blood pressure (mmHg) (n = 152) | 90 ± 15 | 86 ± 13 | 95 ± 15 | 86 ± 14 | < 0.01 |
Systolic blood pressure (mmHg) (n = 152) | 117 ± 24 | 113 ± 21 | 127 ± 24 | 113 ± 23 | < 0.01 |
PAWP (mmHg) (n = 165) | 17 ± 7 | 18 (16, 21) | 8 (6, 10) | 22 (17, 25) | |
RAP (mmHg) (n = 165) | 10 ± 6 | 3 (2, 5) | 11 (9, 14) | 12 (9, 16) | |
Height (m) (n = 165) | 1.72 ± 0.11 | 1.75 ± 0.12 | 1.69 ± 0.11 | 1.72 ± 0.11 | < 0.05 |
Weight (kg) (n = 165) | 79 ± 19 | 83 ± 23 | 77 ± 17 | 80 ± 17 | 0.27 |
BMI (kg/m2) (n = 165) | 26.8 ± 5.2 | 26.8 ± 5.3 | 26.8 ± 5.4 | 26.9 ± 5.1 | 0.99 |
P-wave duration (ms) (n = 165) | 136 ± 18 | 144 ± 19 | 132 ± 14 | 136 ± 18 | 0.01 |
PQ time (ms) (n = 165) | 172 ± 28 | 177 ± 29 | 170 ± 25 | 171 ± 30 | 0.42 |
Diagnoses | |||||
- PH | 49 (30%) | 1 (3%) | 40 (78%) | 8 (11%) | < 0.001 |
- HF | 109 (66%) | 33 (87%) | 12 (24%) | 64 (84%) | < 0.001 |
- Valvular | 8 (5%) | 4 (11%) | 0 (0%) | 4 (5%) | 0.07 |
Echo | |||||
- LA volume/BSA (ml/m2) – A4C and A2C area length (n = 57) | 45.6 ± 18.6 | 52.4 ± 13.5 | 22.4 ± 11.7 | 49.5 ± 17.0 | < 0.001 |
- LA area/BSA (cm2/m2) A4C (n = 123) | 11.9 ± 4.3 | 13.4 ± 4.0 | 8.2 ± 3.0 | 13.4 ± 3.9 | < 0.001 |
- LA volume/BSA (ml/m2) – A4C single plane (n = 123) | 38.3 ± 21.5 | 47.8 ± 21.4 | 19.8 ± 12.8 | 45.0 ± 18.9 | < 0.001 |
- RA area/BSA (cm2/m2) – A4C (n = 112) | 12.5 ± 4.5 | 10.6 ± 4.4 | 15.1 ± 5.0 | 11.7 ± 3.3 | < 0.001 |