Table 3.
Odds ratios and 95% Confidence interval (OR: 95% CI) of ECG-LVH in the 7-Lead and 12-Lead ECG groups in a multivariable logistic regression analysis
| Model 1 | Model 2 | Model 3 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Joint Age-Race-Sex Model | Impact of Age-Race-Sex adjusted Individual Risk Factors |
Full Multivariable Model | |||||||
| (Age+ race+ sex+ BMI+ Hypertension +diabetes) | |||||||||
| (age+ race + sex) + BMI or Hypertension or Diabetes |
|||||||||
| 7-Lead ECG | 12-Lead ECG | P* | 7-Lead ECG | 12-Lead ECG | P* | 7-Lead ECG | 12-Lead ECG | P* | |
| Age (10- years) |
1.50 (1.42 – 1.59) |
1.48 (1.40 – 1.57) |
0.46 | N/A | N/A | N/A | 1.37 (1.27 – 1.47) |
1.38 (1.30 – 1.47) |
0.83 |
| African American |
2.84 (2.37 – 3.94) |
2.49 (2.19 – 2.83) |
0.24 | N/A | N/A | N/A | 2.42 (2.00 – 2.93) |
2.02 (1.76 – 2.32) |
0.13 |
| Male Sex | 3.88 (3.25 – 4.65) |
2.21 (1.90 – 2.57) |
<0.0001 | N/A | N/A | N/A | 3.86 (3.20 – 4.65) |
2.27 (1.94 – 2.65) |
<0.0001 |
| Body mass index (BMI) Kg/m2 |
N/A | N/A | N/A | 1.007 (0.995 – 1.019) |
1.001 (0.991 – 1.010) |
0.35 | 0.993 (0.980 – 1.006) |
0.986 (0.976 – 0.996) |
0.37 |
| Hypertension | N/A | N/A | N/A | 2.47 (1.98 – 3.07) |
2.57 (2.19 – 3.04) |
0.75 | 2.51 (1.99 – 3.15) |
2.63 (2.21 – 3.12) |
0.74 |
| Diabetes | N/A | N/A | N/A | 1.28 (1.06 – 1.54) |
1.44 (1.24 – 1.66) |
0.33 | 1.13 (0.93 – 1.38) |
1.32 (1.14 – 1.53) |
0.23 |
*
P value for comparison of the odds ratios in the 7-Lead group vs. the 12-lead group