TABLE 3.
Multiple regression model of electrocardiogram indexes for female marathon runners in different left ventricular thickness groups.
| SV1(mV) | SV3(mV) | SV4(mV) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| B | 95%CI | p‐value | B | 95%CI | p‐value | B | 95%CI | p‐value | |
| Model 1 (unadjusted) | |||||||||
| LVMI normal group | Reference | Reference | Reference | ||||||
| LVH group | −0.10 | −0.420, 0.212 | .523 | 0.253 | −0.025, 0.531 | .081 | 0.160 | −0.022, 0.341 | .093 |
| Model 2 (adjusted for age, BMI) | |||||||||
| LVMI normal group | Reference | Reference | Reference | ||||||
| LVH group | −0.076 | −0.414, 0.263 | .663 | 0.274 | −0.020, 0.569 | .076 | 0.182 | −0.011, 0.375 | .071 |
| Model 3 (adjusted for age, BMI, IVST, LVEDD, LVPWT, hypertension) | |||||||||
| LVMI normal group | Reference | Reference | Reference | ||||||
| LVH group | −0.069 | −0.404, 0.267 | .690 | 0.269 | −0.043, 0.580 | .099 | 0.173 | −0.024, 0.370 | .094 |
| RV5/V6(mV) | SD(mV) | SD + SV4(mV) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| B | 95%CI | p‐value | B | 95%CI | p‐value | B | 95%CI | p‐value | |
| Model 1 (unadjusted) | |||||||||
| LVMI normal group | Reference | Reference | Reference | ||||||
| LVH group | 0.339 | 0.212, 0.844 | .001 | 0.133 | −0.212, 0.478 | .454 | 0.293 | −0.176, 0.762 | .228 |
| Model 2 (adjusted for age, BMI) | |||||||||
| LVMI normal group | Reference | Reference | Reference | ||||||
| LVH group | 0.391 | 0.205, 0.848 | .002 | 0.202 | −0.161, 0.564 | .283 | 0.384 | −0.109, 0.876 | .135 |
| Model 3 (adjusted for age, BMI, IVST, LVEDD, LVPWT, hypertension) | |||||||||
| LVMI normal group | Reference | Reference | Reference | ||||||
| LVH group | 0.450 | 0.227, 0.881 | .001 | 0.153 | −0.210, 0.516 | .415 | 0.326 | −0.184, 0.835 | .219 |
| SV3+RaVL(mV) | SV1+RV5/V6(mV) | SD+RaVL(mV) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| B | 95%CI | p‐value | B | 95%CI | p‐value | B | 95%CI | p‐value | |
| Model 1 (unadjusted) | |||||||||
| LVMI normal group | Reference | Reference | Reference | ||||||
| LVH group | 0.282 | −0.029, 0.593 | .083 | 0.235 | −0.362, 0.832 | .444 | 0.162 | −0.193, 0.517 | .377 |
| Model 2 (adjusted for age, BMI) | |||||||||
| LVMI normal group | Reference | Reference | Reference | ||||||
| LVH group | 0.266 | −0.059, 0.591 | .117 | 0.316 | −0.320, 0.951 | .336 | 0.193 | −0.182, 0.568 | .319 |
| Model 3 (adjusted for age, BMI, IVST, LVEDD, LVPWT, hypertension) | |||||||||
| LVMI normal group | Reference | Reference | Reference | ||||||
| LVH group | 0.283 | −0.055, 0.622 | .110 | 0.381 | −0.255, 1.018 | .248 | 0.167 | −0.219, 0.553 | .402 |
Abbreviations: BMI, body mass index; IVST, interventricular septum thickness; LVEDD, left ventricular end diastolic diameter; LVPWT, left ventricular posterior wall thickness.