Table 4.
Variable | Coefficient | 95% CI | P-value | Partial R2 |
---|---|---|---|---|
Age | -------- | -------- | <0.0001 (overall) |
0.13 (overall) |
<=40 years | 0.03 | (−0.05, 0.10) | ||
>40 years | −0.14 | (−0.16, −0.13) | ||
BMI | −0.16 | (−0.18, −0.13) | <0.0001 | 0.07 |
Sex | −2.08 | (−2.43, −1.72) | <0.0001 | 0.06 |
Race -White | -------- | -------- | <0.0001 | 0.06 |
Black or African American | −2.16 | (−2.53, −1.80) | ||
Other | −1.10 | (−1.81, −0.39) | ||
NYHA Class (III/IV vs. II) | −2.02 | (−2.35, −1.69) | <0.0001 | 0.06 |
Vent. Conduction Abnormality | -------- | -------- | <0.0001 (overall) |
0.028 (overall) |
-Normal | ||||
LBBB | −0.56 | (−1.03, −0.10) | ||
RBBB | −1.62 | (−2.50, −0.77) | ||
IVCD | −1.25 | (−1.75, −0.75) | ||
Paced | −1.52 | (−1.95, −1.10) | ||
Geographic Region | -------- | -------- | <0.0001 (overall) |
0.026 (overall) |
-South USA | ||||
Northeast USA | −0.75 | (−1.29, −0.21) | ||
Midwest USA | 0.49 | (0.11, 0.87) | ||
West USA | 0.70 | (0.15, 1.24) | ||
Canada | −1.13 | (−1.76, −0.50) | ||
France | 2.01 | (0.81, 3.38) | ||
CPX mode (bike vs. TM) | −2.45 | (−3.13, −1.78) | <0.0001 | 0.023 |
Diabetes | −1.21 | (−1.56, −0.87) | <0.0001 | 0.022 |
LVEF | 0.07 | (0.05, 0.09) | <0.0001 | 0.021 |
PAD | −1.96 | (−2.59, −1.33) | <0.0001 | 0.017 |
Multiple R-Square = 0.392
Reference categories: sex = male, diabetes = non-diabetics, PAD = non-PAD, region = South USA, race = White, NYHA Class = Class II, CPX mode = treadmill, vent. conduction abnormality = normal. Abbreviations: BMI, body mass index; NYHA, New York Heart Association; Vent. conduction abnormality, ventricular conduction abnormalities; LBBB, Left bundle branch block; RBBB, Right bundle branch block; IVCD, intraventricular conduction delay; Paced, pacemaker; CPX mode (bike vs. TM), cardiopulmonary exercise testing mode (bike ergometer vs. treadmill); LVEF, left ventricular ejection fraction; PAD, peripheral arterial disease