Table 1.
Descriptive characteristics of oblique sinus classification. LA—left atrium, OS—oblique sinus, IQR—interquartile range.
| OS Classification | General (n = 121) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Type 1 (n = 60) |
Type 2 (n = 12) |
Type 3 (n = 29) |
Type 4 (n = 20) |
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| Median | IQR | Median | IQR | Median | IQR | Median | IQR | Median | IQR | |
| OS volume [mL] | 6.9 | 3.7 | 9.6 | 6.6 | 8.2 | 4.5 | 13.6 | 6.0 | 8.4 | 5.3 |
| OS entry [mm] | 29.4 | 9.0 | 45.7 | 3.9 | 31.8 | 7.9 | 47.5 | 8.9 | 33.0 | 13.2 |
| OS depth [mm] | 33.2 | 5.0 | 36.2 | 5.2 | 44.5 | 5.9 | 52.1 | 13.4 | 38.2 | 11.8 |
| OS entry/height ratio | 0.9 | 0.3 | 1.3 | 0.3 | 0.7 | 0.3 | 0.9 | 0.2 | 0.9 | 0.3 |
| OS/Atrial volume ratio [%] | 2.9 | 2.0 | 3.4 | 1.5 | 2.8 | 1.3 | 3.6 | 1.2 | 3.1 | 1.7 |
| OS/LA volume ratio [%] | 5.8 | 3.1 | 7.5 | 3.9 | 5.3 | 1.8 | 6.8 | 2.2 | 5.9 | 2.9 |