Table 2.
Baseline demographics based on the left atrial size categories
| Overall (n=529) | Normal n=279 (52.7%) | Mild LAE n=167 (31.6%) | Moderate-Severe LAE N=83 (15.7%) | P-value* | |
|---|---|---|---|---|---|
| Age (Mean ± SD) | 69 ± 13 | 68 ± 12 | 69 ± 13 | 75 ± 13 | < 0.001 |
| Sex (% men) | 45.8 | 39.8 | 54.5 | 48.2 | 0.0094 |
| Race-Ethnicity | |||||
| White (%) | 18.2 | 12.9 | 22.8 | 26.5 | ref |
| Black (%) | 25.5 | 28.3 | 24.0 | 19.3 | 0.0045 |
| Hispanic (%) | 54.1 | 57.4 | 49.1 | 53.0 | 0.0073 |
| Diabetes (%) | 44.8 | 41.6 | 52.7 | 39.8 | 0.0443 |
| Hypertension (%) | 83.6 | 82.4 | 82.6 | 89.2 | 0.3243 |
| Congestive heart failure (%) | 13.1 | 7.9 | 16.2 | 24.4 | 0.0002 |
| Hypercholesterolemia (%) | 50.1 | 51.3 | 54.5 | 37.4 | 0.0328 |
| Body Mass Index (median) | 25.9 | 25.6 | 26.5 | 26.2 | 0.06 |
| Smoking status | |||||
| Never | 46.0 | 43.8 | 42.7 | 59.8 | ref |
| Past | 33.3 | 31.9 | 37.8 | 29.3 | 0.1471 |
| Current | 20.7 | 24.3 | 19.5 | 11.0 | 0.0151 |
*
Kruskal-Wallis test for continuous variables and chi-square with 2 DF test for categorical variables were used.