Table 1

Clinical characteristics

All patients%PMETs ≥85%%PMETs <85%% PMETs p valueE/e' stress ≤13E/e' stress >13E/e' stress p value
Number48639987378108
Age, yrs56±1356±1253±13NS54±1263±11<0.001
Male, (%)306 (63)252 (63)54 (62)NS246 (65)60 (56)NS
Body mass index, kg/m228.4±5.227.6±4.332.2±6.9<0.00128.2±5.229.1±5.0NS
Diabetes, (%)70 (14)51 (13)19 (22)0.02945 (12)25 (23)0.002
Hypertension, (%)287 (59)224 (56)63 (72)0.005203 (54)84 (78)<0.001
Dyslipidemia, (%)304 (62)255 (63)49 (56)NS223 (59)81 (75)0.001
Tobacco, (%)222 (46)173 (43)49 (56)0.028166 (44)56 (52)NS
Diastolic function
 Normal, (%)238 (49)201 (50)37 (43)NS217 (57)21 (19)<0.001
 Mild Dysfunction, (%)172 (36)139 (35)33 (38)NS136 (36)36 (34)NS
 Moderate/severe dysfunction, (%)76 (15)58 (15)17 (20)NS25 (7)51 (47)<0.001
Baseline echocardiography
 End-diastolic LV dimension, mm45±645±645±6NS45±645±7NS
 End-systolic LV dimension, mm28±428±628±7NS28±628±7NS
 Interventricular septal thickness, mm10±210±211±2<0.00110±211±2<0.001
 LV posterior wall thickness, mm11±310±311±2<0.00111±213±30.001
 LV mass index, g/m287±2587±2687±23NS85±2495±26<0.001
 LV ejection fraction, %56±556±556±8NS57±656±5NS
Exercise echocardiography
 Resting HR, beats/min68±1267±1175±13<0.00168±1268±12NS
 Peak HR, beats/min151±23153±21141±26<0.001155±21137±23<0.001
 Resting systolic BP, mm hg127±18127±18129±18NS126±18130±170.027
 Peak systolic BP, mm Hg176±26177±26170±260.049176±26174±26NS
 Resting pulse pressure, mm Hg45±1545±1544±15NS44±1549±160.003
 Peak pulse pressure, mm Hg91±2493±2482±23<0.00191±2389±28NS
 Exercise capacity, METs9.2±2.59.8±2.36.5±1.8<0.0019.6±2.57.7±2.3<0.001
 % predicted METs105±24113±1871±13<0.001106±23101±240.024
 E-wave rest, cm/s82±2181±2087±280.01778±1895±27<0.001
 E-wave stress, cm/s111±33111±34116±32NS104±25139±43<0.001
 e' rest, cm/s9.0±2.69.3±2.68.3±2.40.0119.4±2.67.4±2.0<0.001
 e' stress, cm/s11.3±3.511.6±3.59.8±3.1<0.00112.1±3.38.4±2.6<0.001
 E/e' rest9.8±3.99.3±3.411.2±5.6<0.0018.7±2.613.7±5.1<0.001
 E/e' stress10.7±4.410.4±3.712.5±5.9<0.0018.9±2.017.1±4.6<0.001
LA function
 Maximum LA volume index, ml/m231.7±11.730.7±10.833.1±10.8NS29.1±10.238.1±13.7<0.001
 Minimum LA volume index, ml/m214.9±8.814.3±8.816.4±8.2NS13.1±6.621.7±11.6<0.001
 Precontraction LA volume index, ml/m221.8±9.921.4±10.123.7±10.2NS19.8±8.228.8±12.3<0.001
 LA expansion index, %132±63135±64120±590.036143±6393±45<0.001
 PVF-S, cm/s56.5±12.356.9±12.354.6±11.8NS56.4±11.456.8±15.0NS
 PVF-D, cm/s48.2±13.848.4±12.947.3±17.1NS47.6±12.250.5±18.2NS
 PVF-A, cm/s32.8±9.832.7±10.033.4±8.7NS33.1±10.231.9±8.3NS
 S/D1.24±0.361.24±0.361.25±0.39NS1.25±0.351.22±0.40NS
 LA total strain, %30.6±9.231.5±8.726.4±7.9<0.00132.5±8.823.7±7.1<0.001
 LA positive strain, %18.3±7.318.7±6.815.7±5.6<0.00119.7±7.313.5±5.3<0.001
 LA negative strain, %12.4±5.012.8±4.910.6±4.4<0.00112.9±5.010.6±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.