All patients | %PMETs ≥85% | %PMETs <85% | % PMETs p value | E/e' stress ≤13 | E/e' stress >13 | E/e' stress p value | |
Number | 486 | 399 | 87 | 378 | 108 | ||
Age, yrs | 56±13 | 56±12 | 53±13 | NS | 54±12 | 63±11 | <0.001 |
Male, (%) | 306 (63) | 252 (63) | 54 (62) | NS | 246 (65) | 60 (56) | NS |
Body mass index, kg/m2 | 28.4±5.2 | 27.6±4.3 | 32.2±6.9 | <0.001 | 28.2±5.2 | 29.1±5.0 | NS |
Diabetes, (%) | 70 (14) | 51 (13) | 19 (22) | 0.029 | 45 (12) | 25 (23) | 0.002 |
Hypertension, (%) | 287 (59) | 224 (56) | 63 (72) | 0.005 | 203 (54) | 84 (78) | <0.001 |
Dyslipidemia, (%) | 304 (62) | 255 (63) | 49 (56) | NS | 223 (59) | 81 (75) | 0.001 |
Tobacco, (%) | 222 (46) | 173 (43) | 49 (56) | 0.028 | 166 (44) | 56 (52) | NS |
Diastolic function | |||||||
Normal, (%) | 238 (49) | 201 (50) | 37 (43) | NS | 217 (57) | 21 (19) | <0.001 |
Mild Dysfunction, (%) | 172 (36) | 139 (35) | 33 (38) | NS | 136 (36) | 36 (34) | NS |
Moderate/severe dysfunction, (%) | 76 (15) | 58 (15) | 17 (20) | NS | 25 (7) | 51 (47) | <0.001 |
Baseline echocardiography | |||||||
End-diastolic LV dimension, mm | 45±6 | 45±6 | 45±6 | NS | 45±6 | 45±7 | NS |
End-systolic LV dimension, mm | 28±4 | 28±6 | 28±7 | NS | 28±6 | 28±7 | NS |
Interventricular septal thickness, mm | 10±2 | 10±2 | 11±2 | <0.001 | 10±2 | 11±2 | <0.001 |
LV posterior wall thickness, mm | 11±3 | 10±3 | 11±2 | <0.001 | 11±2 | 13±3 | 0.001 |
LV mass index, g/m2 | 87±25 | 87±26 | 87±23 | NS | 85±24 | 95±26 | <0.001 |
LV ejection fraction, % | 56±5 | 56±5 | 56±8 | NS | 57±6 | 56±5 | NS |
Exercise echocardiography | |||||||
Resting HR, beats/min | 68±12 | 67±11 | 75±13 | <0.001 | 68±12 | 68±12 | NS |
Peak HR, beats/min | 151±23 | 153±21 | 141±26 | <0.001 | 155±21 | 137±23 | <0.001 |
Resting systolic BP, mm hg | 127±18 | 127±18 | 129±18 | NS | 126±18 | 130±17 | 0.027 |
Peak systolic BP, mm Hg | 176±26 | 177±26 | 170±26 | 0.049 | 176±26 | 174±26 | NS |
Resting pulse pressure, mm Hg | 45±15 | 45±15 | 44±15 | NS | 44±15 | 49±16 | 0.003 |
Peak pulse pressure, mm Hg | 91±24 | 93±24 | 82±23 | <0.001 | 91±23 | 89±28 | NS |
Exercise capacity, METs | 9.2±2.5 | 9.8±2.3 | 6.5±1.8 | <0.001 | 9.6±2.5 | 7.7±2.3 | <0.001 |
% predicted METs | 105±24 | 113±18 | 71±13 | <0.001 | 106±23 | 101±24 | 0.024 |
E-wave rest, cm/s | 82±21 | 81±20 | 87±28 | 0.017 | 78±18 | 95±27 | <0.001 |
E-wave stress, cm/s | 111±33 | 111±34 | 116±32 | NS | 104±25 | 139±43 | <0.001 |
e' rest, cm/s | 9.0±2.6 | 9.3±2.6 | 8.3±2.4 | 0.011 | 9.4±2.6 | 7.4±2.0 | <0.001 |
e' stress, cm/s | 11.3±3.5 | 11.6±3.5 | 9.8±3.1 | <0.001 | 12.1±3.3 | 8.4±2.6 | <0.001 |
E/e' rest | 9.8±3.9 | 9.3±3.4 | 11.2±5.6 | <0.001 | 8.7±2.6 | 13.7±5.1 | <0.001 |
E/e' stress | 10.7±4.4 | 10.4±3.7 | 12.5±5.9 | <0.001 | 8.9±2.0 | 17.1±4.6 | <0.001 |
LA function | |||||||
Maximum LA volume index, ml/m2 | 31.7±11.7 | 30.7±10.8 | 33.1±10.8 | NS | 29.1±10.2 | 38.1±13.7 | <0.001 |
Minimum LA volume index, ml/m2 | 14.9±8.8 | 14.3±8.8 | 16.4±8.2 | NS | 13.1±6.6 | 21.7±11.6 | <0.001 |
Precontraction LA volume index, ml/m2 | 21.8±9.9 | 21.4±10.1 | 23.7±10.2 | NS | 19.8±8.2 | 28.8±12.3 | <0.001 |
LA expansion index, % | 132±63 | 135±64 | 120±59 | 0.036 | 143±63 | 93±45 | <0.001 |
PVF-S, cm/s | 56.5±12.3 | 56.9±12.3 | 54.6±11.8 | NS | 56.4±11.4 | 56.8±15.0 | NS |
PVF-D, cm/s | 48.2±13.8 | 48.4±12.9 | 47.3±17.1 | NS | 47.6±12.2 | 50.5±18.2 | NS |
PVF-A, cm/s | 32.8±9.8 | 32.7±10.0 | 33.4±8.7 | NS | 33.1±10.2 | 31.9±8.3 | NS |
S/D | 1.24±0.36 | 1.24±0.36 | 1.25±0.39 | NS | 1.25±0.35 | 1.22±0.40 | NS |
LA total strain, % | 30.6±9.2 | 31.5±8.7 | 26.4±7.9 | <0.001 | 32.5±8.8 | 23.7±7.1 | <0.001 |
LA positive strain, % | 18.3±7.3 | 18.7±6.8 | 15.7±5.6 | <0.001 | 19.7±7.3 | 13.5±5.3 | <0.001 |
LA negative strain, % | 12.4±5.0 | 12.8±4.9 | 10.6±4.4 | <0.001 | 12.9±5.0 | 10.6±4.8 | <0.001 |
Data are expressed as mean±SD or as number (%).
LV, left ventricular; HR, heart rate; BP, blood pressure; E, early mitral inflow velocity; e', early diastolic velocity of mitral annulus; LA, left atrial; PVF, pulmonary vein flow.