A multiple linear regression model for Log AT burden applied to 1- and 4-month data
| Dependent variable . | One-month analysis (DDD mode) . | Four-month analysis (DDD+ or DDDR mode) . | ||
|---|---|---|---|---|
| Log AT burden . | Regression summary: R2=0.65 (R2 adjusted for multiple variables=0.62); analysis of variance: F=19.2 (P<10−5); standard error of estimate=0.95 . | Regression summary: R2=0.73 (R2 adjusted for multiple variables=0.70); analysis of variance: F=23.1 (P<10−5); standard error of estimate=0.90 . | ||
| Variable . | Coefficient estimate (standard error) . | P-value . | Coefficient estimate (standard error) . | P-value . |
| Intercept | 4.793 (3.175) | 0.13 | 3.774 (2.159) | 0.08 |
| Pacing algorithm | — | — | 0.031 (0.266) | 0.91 |
| APP | −0.803 (0.749) | 0.29 | −0.756 (0.559) | 0.18 |
| VPP | 0.462 (0.634) | 0.47 | 0.041 (0.710) | 0.95 |
| Long-term average of atrial rate | −0.070 (0.030) | 0.02 | −0.053 (0.019) | 0.008 |
| Long-term standard deviation of atrial rate | 0.103 (0.037) | 0.007 | 0.118 (0.034) | 0.001 |
| Mean atrial rate at PAC onset | 0.009 (0.008) | 0.31 | 0.007 (0.008) | 0.41 |
| Mean PAC coupling interval | −0.005 (0.001) | 0.001 | −0.006 (0.001) | 0.00005 |
| Dependent variable . | One-month analysis (DDD mode) . | Four-month analysis (DDD+ or DDDR mode) . | ||
|---|---|---|---|---|
| Log AT burden . | Regression summary: R2=0.65 (R2 adjusted for multiple variables=0.62); analysis of variance: F=19.2 (P<10−5); standard error of estimate=0.95 . | Regression summary: R2=0.73 (R2 adjusted for multiple variables=0.70); analysis of variance: F=23.1 (P<10−5); standard error of estimate=0.90 . | ||
| Variable . | Coefficient estimate (standard error) . | P-value . | Coefficient estimate (standard error) . | P-value . |
| Intercept | 4.793 (3.175) | 0.13 | 3.774 (2.159) | 0.08 |
| Pacing algorithm | — | — | 0.031 (0.266) | 0.91 |
| APP | −0.803 (0.749) | 0.29 | −0.756 (0.559) | 0.18 |
| VPP | 0.462 (0.634) | 0.47 | 0.041 (0.710) | 0.95 |
| Long-term average of atrial rate | −0.070 (0.030) | 0.02 | −0.053 (0.019) | 0.008 |
| Long-term standard deviation of atrial rate | 0.103 (0.037) | 0.007 | 0.118 (0.034) | 0.001 |
| Mean atrial rate at PAC onset | 0.009 (0.008) | 0.31 | 0.007 (0.008) | 0.41 |
| Mean PAC coupling interval | −0.005 (0.001) | 0.001 | −0.006 (0.001) | 0.00005 |
Log AT burden was assumed as the dependent variable; covariates are listed along with their regression coefficient estimates, standard errors, and significance level. Further details of regressions are also reported for each group of data.
A multiple linear regression model for Log AT burden applied to 1- and 4-month data
| Dependent variable . | One-month analysis (DDD mode) . | Four-month analysis (DDD+ or DDDR mode) . | ||
|---|---|---|---|---|
| Log AT burden . | Regression summary: R2=0.65 (R2 adjusted for multiple variables=0.62); analysis of variance: F=19.2 (P<10−5); standard error of estimate=0.95 . | Regression summary: R2=0.73 (R2 adjusted for multiple variables=0.70); analysis of variance: F=23.1 (P<10−5); standard error of estimate=0.90 . | ||
| Variable . | Coefficient estimate (standard error) . | P-value . | Coefficient estimate (standard error) . | P-value . |
| Intercept | 4.793 (3.175) | 0.13 | 3.774 (2.159) | 0.08 |
| Pacing algorithm | — | — | 0.031 (0.266) | 0.91 |
| APP | −0.803 (0.749) | 0.29 | −0.756 (0.559) | 0.18 |
| VPP | 0.462 (0.634) | 0.47 | 0.041 (0.710) | 0.95 |
| Long-term average of atrial rate | −0.070 (0.030) | 0.02 | −0.053 (0.019) | 0.008 |
| Long-term standard deviation of atrial rate | 0.103 (0.037) | 0.007 | 0.118 (0.034) | 0.001 |
| Mean atrial rate at PAC onset | 0.009 (0.008) | 0.31 | 0.007 (0.008) | 0.41 |
| Mean PAC coupling interval | −0.005 (0.001) | 0.001 | −0.006 (0.001) | 0.00005 |
| Dependent variable . | One-month analysis (DDD mode) . | Four-month analysis (DDD+ or DDDR mode) . | ||
|---|---|---|---|---|
| Log AT burden . | Regression summary: R2=0.65 (R2 adjusted for multiple variables=0.62); analysis of variance: F=19.2 (P<10−5); standard error of estimate=0.95 . | Regression summary: R2=0.73 (R2 adjusted for multiple variables=0.70); analysis of variance: F=23.1 (P<10−5); standard error of estimate=0.90 . | ||
| Variable . | Coefficient estimate (standard error) . | P-value . | Coefficient estimate (standard error) . | P-value . |
| Intercept | 4.793 (3.175) | 0.13 | 3.774 (2.159) | 0.08 |
| Pacing algorithm | — | — | 0.031 (0.266) | 0.91 |
| APP | −0.803 (0.749) | 0.29 | −0.756 (0.559) | 0.18 |
| VPP | 0.462 (0.634) | 0.47 | 0.041 (0.710) | 0.95 |
| Long-term average of atrial rate | −0.070 (0.030) | 0.02 | −0.053 (0.019) | 0.008 |
| Long-term standard deviation of atrial rate | 0.103 (0.037) | 0.007 | 0.118 (0.034) | 0.001 |
| Mean atrial rate at PAC onset | 0.009 (0.008) | 0.31 | 0.007 (0.008) | 0.41 |
| Mean PAC coupling interval | −0.005 (0.001) | 0.001 | −0.006 (0.001) | 0.00005 |
Log AT burden was assumed as the dependent variable; covariates are listed along with their regression coefficient estimates, standard errors, and significance level. Further details of regressions are also reported for each group of data.
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