Table 6.
Predictors of right atrial volumes
| Univariate analysis: | Coeff | 95%CI | p value | r squared |
|---|---|---|---|---|
| 4-chamber longitudinal diameter (cm) |
48.4 |
42.7,54.1 |
<0.001 |
0.703 |
| 4-chamber transverse diameter (cm) |
49.0 |
38.7,59.3 |
<0.001 |
0.428 |
| 4-chamber area (cm2) |
6.72 |
6.0, 7.4 |
<0.001 |
0.752 |
| 2-chamber longitudinal diameter (cm) |
42.7 |
35.1,50.3 |
<0.001 |
0.556 |
| 2-chamber transverse diameter (cm) |
31.9 |
26.5,37.4 |
<0.001 |
0.573 |
| 2-chamber area (cm2) |
4.6 |
4.2, 5.1 |
<0.001 |
0.806 |
| 4-chamber longitudinal diameter indexed (cm/m2) |
63.7 |
52.2, 75.1 |
<0.001 |
0.508 |
| 4-chamber transverse diameter indexed (cm/m2) |
77.1 |
58.6, 95.7 |
<0.001 |
0.365 |
| 4-chamber area indexed (cm2/m2) |
11.1 |
9.7, 12.4 |
<0.001 |
0.698 |
| 2-chamber longitudinal diameter indexed (cm/m2) |
66.4 |
52.4, 80.4 |
<0.001 |
0.470 |
| 2-chamber transverse diameter indexed (cm/m2) |
51.4 |
41.4, 61.3 |
<0.001 |
0.512 |
| 2-chamber area indexed (cm2/m2) |
7.8 |
7.0, 8.6 |
<0.001 |
0.772 |
|
Multivariate analysis: non-indexed measurements |
Coeff |
95%CI |
p value |
r squared |
| 2-chamber area (cm2) |
3.1 |
2.6, 3.6 |
<0.001 |
0.895 |
| 4-chamber area (cm2) |
3.4 |
2.6, 4.1 |
<0.001 |
|
| Constant | −44.4 |