Table 2.
Hemodynamics and CMR indices
| Measure | Group I (n = 232) | Group II (n = 28) | Group III (n = 18) | p-value* |
|---|---|---|---|---|
| Rest | ||||
| Heart rate (beats/min.) | 65 (0.74)** | 63.64 (2.06) | 65.73 (2.81) | 0.77 |
| Systolic blood pressure (mmHg) | 139.81 (1.18) | 137.29 (3.29) | 136.67 (4.58) | 0.64 |
| Diastolic blood pressure (mmHg) | 79.53 (0.82) | 75.29 (2.29) | 78.80 (3.13) | 0.22 |
| Mean arterial pressure (mmHg) | 99.58 (0.82) | 95.95 (2.27) | 98.09 (3.21) | 0.30 |
| Rate pressure product | 9108 (133) | 8753 (369) | 8962 (504) | 0.65 |
| Left ventricular end diastolic volume index (ml/m2) | 62.2 (1.01) | 56.7 (2.81) | 59.3 (3.91) | 0.17 |
| Left ventricular end systolic volume index (ml/m2) | 22.2 (0.52) | 21.3 (1.31) | 22.8 (1.72) | 0.72 |
| Left ventricular stroke volume index (ml/m2) | 39.4 (0.61) | 35.5 (1.52) | 36.5 (2.11) | 0.03 |
| Ejection fraction (%) | 64.2 (0.51) | 62.7 (1.41) | 62.5 (1.82) | 0.46 |
| Cardiac index (ml/min/m2) | 2536 (39) | 2239 (109) | 2380 (149) | 0.03 |
| Pulse wave velocity (m/s) | 11 (0.47) | 9.75 (1.28) | 9.96 (1.75) | 0.76 |
| Left ventricular mass index (gm/m2) | 66 (14) | 65.9 (11.32) | 71.1 (12.41) | 0.35 |
| Left ventricular concentricity | 1.09 (0.02) | 1.19 (0.05) | 1.26 (0.07) | 0.02 |
| Stress | ||||
| Peak heart rate (beats/min.) | 127 (1.12) | 129.81 (3.16) | 126.92 (4.39) | 0.63 |
| Peak systolic blood pressure (mmHg) | 130 (1.75) | 126.37 (4.92) | 131.93 (6.84) | 0.74 |
| Peak diastolic blood pressure (mmHg) | 70.79 (1.21) | 68.04 (3.40) | 75.14 (4.72) | 0.47 |
| Peak mean arterial pressure (mmHg) | 90.57 (1.27) | 87.48 (3.58) | 94.07 (4.97) | 0.54 |
| Peak rate pressure product | 16400 (251) | 16381 (706) | 16804 (1982) | 0.92 |
| Left ventricular end diastolic volume index (ml/m2) | 51.60 (0.78) | 50.99 (2.15) | 54.97 (2.98) | 0.52 |
| Left ventricular end systolic volume index (ml/m2) | 13.68 (0.33) | 14.53 (0.87) | 18.36 (1.24) | 0.001 |
| Left ventricular stroke volume index (SVI) (ml/m2) | 37.85 (0.62) | 36.23 (1.69) | 36.64 (2.35) | 0.61 |
| Ejection fraction (%) | 73.3 (0.50) | 71.2 (1.42) | 66.5 (1.93) | 0.002 |
| Cardiac index (l/min/m2) | 4800 (83) | 4688 (232) | 4644 (316) | 0.82 |
| Pulse wave velocity (m/s) | 11.51 (0.61) | 12.44 (1.69) | 16.27 (2.39) | 0.14 |
*Analysis of variance test of equality of three groups. The p-values presented are an overall test that the three groups are equal. Abbreviations:, EDV, End diastolic volume; EF, Ejection fraction; PVA, Pressure volume area; PWV, Pulse wave velocity; SW, Stroke work.