Table 1.
Results of the measurement of the pulmonary vein ostia and atria by the reference observer. The size of the ostia is presented using two diameters and the area of cross-section. The left atrium size is defined using the antero-posterior diameter and total volume.
| Mean | 95% CI of the mean | Min. value | Max. value | |
|---|---|---|---|---|
| RSPV diam. a | 17.4 | 16.0–18.7 | 10 | 32 |
| RSPV diam. b | 23.5 | 21.9–25.1 | 15 | 43 |
| RSPV area | 333 | 283–382 | 129 | 1090 |
| RIPV diam. a | 15.1 | 14.2–16.0 | 7 | 21 |
| RIPV diam. b | 19.0 | 17.9–20.0 | 8 | 27 |
| RIPV area | 230 | 205–255 | 30 | 460 |
| LSPV diam. a | 14.9 | 13.9–15.9 | 9 | 23 |
| LSPV diam. b | 22.3 | 21.3–23.4 | 16 | 30 |
| LSPV area | 271 | 242–299 | 120 | 540 |
| LIPV diam. a | 12.4 | 11.5–13.3 | 7 | 20 |
| LIPV diam. b | 18.5 | 17.5–19.4 | 13 | 26 |
| LIPV area | 184 | 162–205.3 | 90 | 417 |
| LA diam. | 42.8 | 39.9–45.6 | 15 | 63 |
| LA volume | 105 | 93–116 | 63 | 207 |