Table 4.
TDI parameters of the study groups.
| SH group (n 35) [mean (± SD)] |
Control group (n 38) [mean (± SD)] |
p value | |
|---|---|---|---|
| Mitral lateral | |||
| Sa (m/s) | 0.05 ± 0.01 | 0.05 ± 0.01 | 0.835 |
| Ea (m/s) | 0.11 ± 0.02 | 0.10 ± 0.01 | 0.280 |
| Aa (m/s) | 0.07 ± 0.02 | 0.06 ± 0.01 | 0.252 |
| Ea/Aa | 1.68 ± 0.28 | 1.68 ± 0.23 | 0.915 |
| IVRT (ms) | 65.11 ± 17.53 | 64.53 ± 12.18 | 0.867 |
| IVCT (ms) | 58.26 ± 13.71 | 60.63 ± 12.43 | 0.440 |
| ET (ms) | 234.06 ± 25.42 | 244.95 ± 30.63 | 0.104 |
| AT (ms) | 50.77 ± 11.71 | 51.50 ± 11.47 | 0.789 |
| DT (ms) | 67.09 ± 10.73 | 71.00 ± 13.37 | 0.175 |
| E/Ea | 8.01 ± 2.16 | 7.57 ± 1.65 | 0.331 |
| MPI | 0.53 ± 0.12 | 0.52 ± 0.10 | 0.585 |
| Mitral septal | |||
| Sa (m/s) | 0.07 ± 0.01 | 0.06 ± 0.01 | 0.349 |
| Ea (m/s) | 0.11 ± 0.01 | 0.11 ± 0.01 | 0.430 |
| Aa (m/s) | 0.07 ± 0.02 | 0.06 ± 0.08 | 0.071 |
| Ea/Aa | 1.59 ± 0.30 | 1.67 ± 0.21 | 0.210 |
| IVRT (ms) | 62.51 ± 17.45 | 57.84 ± 10.42 | 0.175 |
| IVCT (ms) | 53.86 ± 11.40 | 52.63 ± 10.26 | 0.632 |
| ET (ms) | 239.26 ± 24.89 | 255.50 ± 19.31 | 0.003 |
| AT (ms) | 47.97 ± 8.83 | 50.89 ± 10.12 | 0.195 |
| DT (ms) | 69.94 ± 16.30 | 78.39 ± 18.10 | 0.040 |
| E/Aa | 7.57 ± 1.57 | 7.10 ± 1.06 | 0.147 |
| MPI | 0.49 ± 0.11 | 0.43 ± 0.06 | 0.009 |
| Tricuspid lateral | |||
| Sa (m/s) | 0.11 ± 0.02 | 0.11 ± 0.01 | 0.582 |
| Ea (m/s) | 0.15 ± 0.02 | 0.15 ± 0.02 | 0.242 |
| Aa (m/s) | 0.11 ± 0.03 | 0.11 ± 0.02 | 0.574 |
| Ea/Aa | 1.40 ± 0.30 | 1.49 ± 0.26 | 0.202 |
| IVRT (ms) | 60.43 ± 10.02 | 57.32 ± 11.41 | 0.339 |
| IVCT (ms) | 60.77 ± 14.60 | 59.11 ± 11.25 | 0.585 |
| ET (ms) | 246.43 ± 35.33 | 249.71 ± 23.12 | 0.643 |
| AT (ms) | 65.69 ± 15.86 | 70.87 ± 16.41 | 0.135 |
| DT (ms) | 82.74 ± 22.45 | 91.71 ± 21.09 | 0.083 |
| E/Ea | 4.92 ± 0.97 | 4.40 ± 0.80 | 0.015 |
| MPI | 0.50 ± 0.13 | 0.46 ± 0.08 | 0.154 |
| Tricuspid septal | |||
| Sa (m/s) | 0.08 ± 0.01 | 0.07 ± 0.01 | 0.262 |
| Ea (m/s) | 0.11 ± 0.02 | 0.12 ± 0.01 | 0.245 |
| Aa (m/s) | 0.08 ± 0.02 | 0.07 ± 0.02 | 0.520 |
| Ea/Aa | 1.54 ± 0.30 | 1.69 ± 0.24 | 0.018 |
| IVRT (ms) | 57.94 ± 16.13 | 55.55 ± 8.97 | 0.443 |
| IVCT (ms) | 52.26 ± 10.03 | 53.68 ± 10.01 | 0.545 |
| ET (ms) | 242.17 ± 26.80 | 255.42 ± 19.37 | 0.017 |
| AT (ms) | 51.97 ± 13.19 | 54.50 ± 6.96 | 0.304 |
| DT (ms) | 70.63 ± 17.43 | 75.53 ± 12.36 | 0.174 |
| E/Ea | 6.30 ± 1.18 | 5.67 ± 1.14 | 0.024 |
| MPI | 0.46 ± 0.10 | 0.43 ± 0.05 | 0.156 |
| Interventricular septum | |||
| Sa (m/s) | 0.05 ± 0.00 | 0.05 ± 0.01 | 0.070 |
| Ea (m/s) | 0.10 ± 0.02 | 0.10 ± 0.01 | 0.722 |
| Aa (m/s) | 0.06 ± 0.01 | 0.05 ± 0.00 | 0.022 |
| Ea/Aa | 1.76 ± 0.31 | 1.90 ± 0.23 | 0.032 |
| IVRT (ms) | 57.80 ± 14.53 | 57.68 ± 13.32 | 0.972 |
| IVCT (ms) | 53.06 ± 11.36 | 55.13 ± 9.58 | 0.401 |
| ET (ms) | 244.63 ± 23.39 | 251.26 ± 18.88 | 0.185 |
| AT (ms) | 52.97 ± 9.38 | 56.00 ± 9.13 | 0.167 |
| DT (ms) | 55.54 ± 8.46 | 60.97 ± 11.23 | 0.023 |
| MPI | 0.46 ± 0.08 | 0.44 ± 0.07 | 0.379 |
Data are given as mean ± SD.
Aa atrial diastolic wave, AT acceleration time, DT deceleration time, E early transvalvular flow velocity, Ea early diastolic wave, ET ejection time, IVCT isovolumic contraction time, IVRT isovolumic relaxation time, MPI myocardial performance index, Sa myocardial systolic wave, SH subclinical hypothyroidism, TDI tissue Doppler imaging.