Table 5.
Correlation Analysis of Quartiles of iCEBc and Frontal QRS-T Angle with DR Risk
| Variables | Prevalence of DR (%) | Univariate | Multivariate | ||||
|---|---|---|---|---|---|---|---|
| OR | 95% Cl | P | OR | 95% Cl | P | ||
| iCEBc | |||||||
| Q1, ≤4.28 | 72(19.0) | Reference | <0.001 | Reference | 0.016 | ||
| Q2, 4.29–4.63 | 90(23.8) | 1.526 | 0.990 –2.351 | 0.055 | 1.248 | 0.725–2.149 | 0.424 |
| Q3, 4.64–5.05 | 100(26.5) | 1.978 | 1.278–3.062 | 0.002 | 1.743 | 0.996 –3.053 | 0.052 |
| Q4,≥5.06 | 116(30.7) | 3.029 | 1.928–4.759 | <0.001 | 2.612 | 1.411–4.834 | 0.002 |
| Frontal QRS-T angle, ° | |||||||
| Q1, ≤10 | 85(22.5) | Reference | <0.001 | Reference | 0.002 | ||
| Q2, 11–23 | 75(19.8) | 1.106 | 0.720–1.698 | 0.646 | 1.067 | 0.627–1.814 | 0.811 |
| Q3, 24–40 | 103(27.2) | 1.967 | 1.280 –3.021 | 0.002 | 1.998 | 1.167–3.422 | 0.012 |
| Q4,≥41 | 115(30.4) | 2.790 | 1.789–4.352 | <0.001 | 2.430 | 1.420 –4.160 | 0.001 |
Note: iCEBc, corrected index of cardiac electrophysiological balance.