Abstract
Background and Objectives
Subjects and Methods
Results
Figures and Tables
Fig. 1
ROC Curve of electrocardiographic parameters that distinguished normal coronary from non-critical and significant stenosis groups. QTmax: maximum QT interval, QTd: QT dispersion, QTcmax: corrected QT maximum interval, QTcd: corrected QT dispersion, QTdR: QT dispersion ratio, Pmax: maximum p wave interval, PWD: P wave dispersion.
![kcj-46-522-g001](/upload/SynapseData/ArticleImage/0054kcj/kcj-46-522-g001.jpg)
Fig. 2
ROC Curve of electrocardiographic parameters that distinguished coronary arteries with <50% narrowing from the ones with ≥50% narrowing. QTc: corrected QT, QTmax: maximum QT interval, QTcmax: corrected QT maximum interval, QTcd: corrected QT dispersion, QTdR: QT dispersion ratio, Pmax: maximum p wave interval, PWD: P wave dispersion.
![kcj-46-522-g002](/upload/SynapseData/ArticleImage/0054kcj/kcj-46-522-g002.jpg)
Table 1
Categorical distribution of the socio-demographic data of patients
![kcj-46-522-i001](/upload/SynapseData/ArticleImage/0054kcj/kcj-46-522-i001.jpg)
Table 2
Distribution of the groups according to the laboratory and clinical characteristics
![kcj-46-522-i002](/upload/SynapseData/ArticleImage/0054kcj/kcj-46-522-i002.jpg)
*All of the p values were <0.001 on comparison of Gensini score among the groups. FBG: fasting blood glucose, HbA1c: glycated hemoglobin A1c, LDL-C: low density lipoprotein cholesterol , HDL-C: high density lipoprotein cholesterol , BUN: blood urea nitrogen, AST: aspartat aminotransferase, ALT: alanine aminotransferase, Na: sodium, K: potassium, Hb: hemoglobin, Hct: hematocrit, MPV: mean platelet volume, LVH: left ventricular hypertrophy, LA: left atrium, RA: right atrium, LVEDD: left ventricular end-diastolic dimension, LVESD: left ventricular end-systolic dimension, EF: ejection fraction
Table 3
Distribution of ECG findings among the groups
![kcj-46-522-i003](/upload/SynapseData/ArticleImage/0054kcj/kcj-46-522-i003.jpg)
*All of the p values were <0.05 on comparison of these parameters among the groups. Pmax: maximum p wave interval, Pmin: minimum p wave interval, PWD: P wave dispersion, QTmax: maximum QT interval, QTmin: minimum QT interval, QTd: QT dispersion, QTcmax: corrected QT maximum interval, QTcmin: corrected QTc minimum interval, QTcd: corrected QT dispersion, QTdR: QT dispersion ratio
Table 4
Correlation of ECG findings of the patients with Gensini scores
![kcj-46-522-i004](/upload/SynapseData/ArticleImage/0054kcj/kcj-46-522-i004.jpg)
Gensini score | ||
---|---|---|
r | p | |
QTmax | 0.239 | <0.001 |
QTmin | 0.015 | 0.062 |
QTd | 0.421 | <0.001 |
QTcmax | 0.263 | <0.001 |
QTcmin | -0.005 | 0.059 |
QTcd | 0.387 | <0.001 |
QTdR | 0.467 | <0.001 |
Pmax | 0.582 | <0.001 |
Pmin | 0.116 | 0.112 |
PWD | 0.656 | <0.001 |
ECG: electrocardiography, QTmax: maximum QT interval, QTmin: minimum QT interval, QTd: QT dispersion, QTcmax: corrected QT maximum interval, QTcmin: corrected QTc minimum interval, QTcd: corrected QT dispersion, QTdR: QT dispersion ratio, Pmax: maximum p wave interval, Pmin: minimum p wave interval, PWD: P wave dispersion
Table 5
Cut-off, sensitivity, specificity, AUC, and p values of ECG parameters that distinguish Group 1 and Group 2 from Groups 3, 4 and 5
![kcj-46-522-i005](/upload/SynapseData/ArticleImage/0054kcj/kcj-46-522-i005.jpg)
Table 6
Cut-off, sensitivity, specificity, AUC, and p of ECG parameters that distinguish a coronary artery with <50% narrowing from a coronary artery with ≥50% narrowing
![kcj-46-522-i006](/upload/SynapseData/ArticleImage/0054kcj/kcj-46-522-i006.jpg)