Clinical features and transoesophageal echocardiographic measurements in the four groups of patients
| POS-D(n = 12) | POS-N (n = 7) | CONT-D(n = 15) | CONT-N(n = 15) | |
|---|---|---|---|---|
| Data are mean (SD). | ||||
| CONT, control patients; D, dilated aortic root; N, normal aortic root; POS, platypnoea-orthodeoxia syndrome. | ||||
| *p<0.005 v POS-N. **p<0.005 v CONT-N. | ||||
| Age (years) | 69.6 (4.7) | 57.9 (10.4) | 61.9 (12.5) | 55.1 (18.2) |
| Sex ratio | 8 M/4 F | 5 M/2 F | 12 M/3 F | 9 M/6 F |
| Aortic root diameter (mm) | 47.7 (5.2)*† | 35.6 (3.5) | 50.3 (5.3)*† | 31.3 (2.7) |
| Atrial septal dimension (mm) | 16.3 (2.7)*† | 24.4 (5.2) | 17.4 (5.9)*† | 25 (4) |