Table 3 Healthy subjects- Right atrial parameters with significant differences with age on multivariate analysis (mean, 95% confidence interval)
20-29 years | 30-39 years | 40-49 years | 50-59 years | 60-69 years | 70-79 years | |
|---|---|---|---|---|---|---|
All subjects | ||||||
RA area-2 ch [cm2] SD 4.5 | 24 (16, 32) | 23 (15, 31) | 22 (14, 30) | 21 (13, 29) | 20 (12, 28) | 19 (11, 27) |
RA area/BSA- 2 ch [cm2/m2] SD 2.5 | 13 (9, 18) | 13 (8, 17) | 12 (8, 17) | 12 (7, 16) | 11 (6, 15) | 10 (6, 15) |
RA transverse diameter- 2 ch [cm] SD 0.6 | 5.1 (3.7, 6.4) | 4.7 (3.4, 6.1) | 4.4 (3.1, 5.8) | 4.1 (2.8, 5.5) | 3.8 (2.5, 5.2) | 3.5 (2.1, 4.8) |
RA transverse diameter/BSA- 2 ch [cm/m2] SD 0.4 | 2.8 (2.1, 3.6) | 2.7 (1.8, 3.5) | 2.5 (1.6, 3.4) | 2.3 (1.4, 3.2) | 2.2 (1.3, 3.1) | 2.0 (1.1, 2.9) |
Males | ||||||
RA area-2 ch [cm2] SD 4.5 | 25 (16, 33) | 24 (15, 33) | 23 (14, 32) | 22 (14, 31) | 21 (13, 30) | 21 (12, 29) |
RA area/BSA- 2 ch [cm2/m2] SD 2.5 | 13 (8, 17) | 12 (8, 17) | 12 (7, 17) | 11 (7, 16) | 11 (6, 16) | 10 (6, 15) |
RA transverse diameter- 2 ch [cm] SD 0.6 | 4.9 (3.7, 6.2) | 4.7 (3.5, 6.0) | 4.5 (3.3, 5.7) | 4.2 (3.0, 5.4) | 4.0 (2.8, 5.2) | 3.7 (2.5, 4.9) |
RA transverse diameter/BSA- 2 ch [cm/m2] SD 0.4 | 2.5 (1.8, 3.2) | 2.4 (1.7, 3.1) | 2.3 (1.6, 3.0) | 2.1 (1.4, 2.8) | 2.0 (1.3, 2.7) | 1.9 (1.2, 2.6) |
Females | ||||||
RA area-2 ch [cm2] SD 3.4 | 24 (17, 31) | 23 (16, 29) | 21 (15, 28) | 20 (13, 27) | 19 (12, 25) | 18 (11, 24) |
RA area/BSA- 2 ch view [cm2/m2] SD 2 | 14 (10, 18) | 13 (9, 18) | 13 (8, 17) | 12 (8, 16) | 11 (7, 15) | 10 (6, 14) |
RA transverse diameter-2 ch [cm] SD 0.6 | 5.1 (4.0, 6.2) | 4.8 (3.7, 5.9) | 4.5 (3.4, 5.6) | 4.2 (3.1, 5.3) | 3.9 (2.8, 5.0) | 3.6 (2.5, 4.7) |
RA transverse diameter/BSA- 2 ch [cm/m2] SD 0.4 | 3.1 (2.3, 3.9) | 2.9 (1.8, 4.0) | 2.7 (1.6, 3.8) | 2.5 (1.4, 3.6) | 2.3 (1.2, 3.4) | 2.1 (1.0, 3.2) |