Table 1 Data summarized as mean ± standard deviation
From: Impact of sex and advancing age on left atrial volume and shape: the Framingham heart study
Age Group | <55 y | 55-64 y | 65-74 y | ≥75 y | P for trend |
|---|---|---|---|---|---|
Men: N | 63 | 106 | 45 | 14 | Â |
LA volume, ml | 76 ± 20 | 76 ± 23 | 76 ± 24 | 69 ± 21 | 0.46 |
LA vol/BSA, ml/m2 | 37 ± 10 | 38 ± 11 | 39 ± 12 | 36 ± 11 | 0.94 |
LA shape index (SI) | 1.81 ± 0.35 | 1.71 ± 0.23 | 1.70 ± 0.28 | 1.57 ± 0.26 | 0.005 |
Women: N | 78 | 179 | 89 | 31 | Â |
LA volume, ml | 65 ± 18 | 63 ± 17 | 62 ± 22 | 55 ± 16 | 0.016 |
LA vol/BSA, ml/m2 | 38 ± 11 | 37 ± 10 | 37 ± 14 | 34 ± 10 | 0.17 |
LA shape index (SI) | 1.88 ± 0.27 | 1.83 ± 0.32 | 1.77 ± 0.30 | 1.75 ± 0.30 | 0.007 |