Li ZD, Bai XJ, Han LL, Han W, Sun XF, Chen XM. Association between ventricular repolarization variables and cardiac diastolic function: A cross-sectional study of a healthy Chinese population. World J Clin Cases 2019; 7(8): 940-950 [PMID: 31119139 DOI: 10.12998/wjcc.v7.i8.940]
Corresponding Author of This Article
Xiao-Juan Bai, PhD, Professor, Department of Gerontology and Geriatrics, Shengjing Hospital of China Medical University, 36 Sanhao Street, Shenyang 110004, Liaoning Province, China. xiaojuan_bai@126.com
Research Domain of This Article
Medicine, Research & Experimental
Article-Type of This Article
Observational Study
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Table 3 Relationship between electrocardiography repolarization variables and echocardiographic diastolic parameters using a stepwise multiple regression model
Model 1
Model 2
Model 3
Beta
P-value
Beta
P-value
Beta
P-value
QT interval (ms)
A (cm/s)
0.152
0.002
0.033
0.435
0.028
0.504
DT (ms)
0.244
< 0.001
0.194
< 0.001
0.182
< 0.001
LAV (mL)
0.312
< 0.001
0.271
< 0.001
0.248
< 0.001
QTc interval (ms)
A (cm/s)
0.324
< 0.001
0.186
< 0.001
0.178
< 0.001
E/A
-0.288
< 0.001
-0.131
0.001
-0.105
0.008
LAV (mL)
0.209
< 0.001
0.152
0.002
0.105
0.019
LAVI (mL/m2)
0.255
< 0.001
0.181
< 0.001
0.142
0.003
Tpe (ms)
A (cm/s)
0.189
< 0.001
0.102
0.015
0.099
0.016
E/A
-0.155
0.002
-0.057
0.153
-0.035
0.355
LAV (mL)
0.157
0.001
0.119
0.014
0.167
0.120
LAVI (mL/m2)
0.148
0.003
0.098
0.039
0.080
0.086
Tpec (ms)
E (cm/s)
-0.121
0.014
-0.062
0.185
-0.032
0.489
A (cm/s)
0.237
< 0.001
0.150
< 0.001
0.143
< 0.001
E/A
-2.223
< 0.001
-0.126
0.002
-0.098
0.010
LAV (mL)
0.099
0.045
0.059
0.233
0.015
0.749
Tpe/QT
E (cm/s)
-0.138
0.005
-0.100
0.030
-0.066
0.152
A (cm/s)
0.157
0.001
0.099
0.017
0.097
0.018
E/A
-0.175
< 0.001
-0.111
0.005
-0.083
0.028
Tpe/QTc
DT (ms)
0.102
0.038
0.078
0.101
0.072
0.139
LAV (mL)
0.100
0.041
0.079
0.100
0.037
0.388
Table 4 Association of E/A ratio within tertiles of QTc and Tpec using binary logistic regression model
Tertile 1
Tertile 2
Tertile 3
Model 1
Model 2
Model 1
Model 2
OR (95%CI)
P-value
OR (95%CI)
P-value
OR (95%CI)
P-value
OR (95%CI)
P-value
OR
Tertiles of QTc
Men (n = 186)
0.604 (0.272-1.342)
0.216
0.763 (0.317-1.836)
0.545
0.210 (0.087-0.506)
0.001
0.257 (0.102-0.649)
0.004
1 (ref)
Women (n = 228)
0.527 (0.176-1.579)
0.253
0.982 (0.284-3.396)
0.977
1.230 (0.539-2.806)
0.624
1.480 (0.574-3.815)
0.417
1 (ref)
Tertiles of Tpec
Men (n = 186)
0.890 (0.397-1.996)
0.777
0.980 (0.404-2.372)
0.963
0.465 (0.204-1.061)
0.069
0.423 (0.175-1.022)
0.056
1 (ref)
Women (n = 228)
0.483 (0.188-1.242)
0.131
0.477 (0.162-1.404)
0.179
0.487 (0.204-1.160)
0.104
0.532 (0.200-1.416)
0.206
1 (ref)
Citation: Li ZD, Bai XJ, Han LL, Han W, Sun XF, Chen XM. Association between ventricular repolarization variables and cardiac diastolic function: A cross-sectional study of a healthy Chinese population. World J Clin Cases 2019; 7(8): 940-950