Table 2.
K1R group comparisons of the anthropometric functional and structural measures
| K1R > 0 | p value | K1R < 0 | |||
|---|---|---|---|---|---|
| N | Mean (SD) | N | Mean (SD) | ||
| Subject Characteristics | |||||
| Age (years) | 64 | 45.9 (12.8) | 0.0001 | 106 | 62.6 (11.2) |
| Height (m) | 57 | 1.74 (0.10) | 0.0001 | 97 | 1.66 (0.09) |
| Weight (kg) | 57 | 82.7 (15.4) | 0.0001 | 97 | 69.5 (12.7) |
| Body surface area (m2) | 59 | 1.97 (0.217) | 0.0001 | 97 | 1.78 (0.190) |
| Gender (% Male)a | 49 | (76.6) | 0.0001 | 45 | (42.5) |
| (% Female) | 15 | (23.4) | 61 | (57.5) | |
| Systemic Function | |||||
| Augmentation Index (%) | 49 | 8.5 (14.6) | 0.0001 | 73 | 18.4 (8.7) |
| Systolic pressure (mmHg) | 54 | 140 (19.4) | 0.0001 | 104 | 158 (24.7) |
| Diastolic pressure (mmHg) | 54 | 81 (12.8) | 0.13 | 104 | 84 (12.0) |
| Pulse pressure (mmHg) | 54 | 59 (11.4) | 0.0001 | 104 | 74 (19.4) |
| Mean pressure (mmHg) | 54 | 101 (14.3) | 0.01 | 104 | 109 (14.7) |
| Heart rate (bpm) | 56 | 71 (11.7) | 0.01 | 106 | 66 (10.8) |
| TPR (dyn s cm−5) | 59 | 1496 (387) | 0.0001 | 95 | 1882 (457) |
| Cardiac output (l/min) | 59 | 5.90 (1.34) | 0.0001 | 95 | 5.09 (1.33) |
| Stiffness (β) | 51 | 4.61 (2.28) | 0.0001 | 87 | 7.20 (4.08) |
| Compliance (ml/mmHg) | 58 | 1.61 (0.440) | 0.0001 | 94 | 1.18 (0.351) |
| LV Structure | |||||
| LV mass (g) | 58 | 174 (52.1) | 0.05 | 94 | 159 (40.8) |
| LVRWT | 58 | 346 (0.059) | 0.001 | 94 | 0.375 (0.048) |
| Vascular Variables | |||||
| Aortic diameter (cm) | 58 | 3.32 (0.40) | 0.38 | 95 | 3.26 (0.40) |
| CARWT | 59 | 0.257 (0.055) | 0.0001 | 93 | 0.297 (0.070) |
| CIMTd (mm) | 59 | 0.727 (0.159) | 0.0001 | 94 | 0.869 (0.195) |
| CSA (mm2) | 59 | 14.9 (4.7) | 0.0001 | 93 | 18.7 (5.9) |
TPR total peripheral resistance, LVRWT LV relative wall thickness, CARWT carotid artery relative wall thickness, CIMTd carotid artery far wall intima-media thickness-diastole, CSA carotid artery cross-sectional area (surrogate for CA wall mass)
aProportional comparisons Male/Female by Chi-Square analysis