Table 2.
Descriptive characteristics of transverse sinus classification. LA—left atrium, TS—transverse sinus, IQR—interquartile range.
| TS Classification | General (n = 121) |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Type I (n = 65) |
Type II (n = 37) |
Type IIa (n = 18) |
Type IIb (n = 19) |
Type III (n = 12) |
Type IV (n = 7) |
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| Median | IQR | Median | IQR | Median | IQR | Median | IQR | Median | IQR | Median | IQR | Median | IQR | |
| TS volume [mL] | 14.7 | 6.9 | 15.1 | 7.7 | 16.5 | 8.5 | 14.6 | 6.7 | 15.1 | 11.5 | 13.3 | 6.8 | 14.8 | 6.5 |
| TS length [mm] | 52.9 | 17.1 | 50.6 | 17.5 | 48.7 | 25.4 | 54.5 | 15.9 | 52.2 | 19.6 | 46.3 | 24.2 | 52.8 | 17.7 |
| TS venous entry height [mm] | 12.4 | 4.0 | 13.7 | 4.9 | 16.5 | 2.8 | 11.4 | 3.7 | 13.6 | 4.6 | 9.3 | 3.6 | 12.8 | 4.3 |
| TS middle height [mm] | 6.1 | 2.4 | 11.9 | 5.2 | 13.0 | 4.1 | 9.8 | 5.7 | 13.1 | 4.3 | 21.0 | 4.8 | 8.3 | 6.2 |
| TS arterial height [mm] | 11.9 | 4.0 | 12.2 | 5.5 | 12.4 | 7.8 | 12.2 | 5.6 | 11.9 | 5.4 | 11.4 | 4.2 | 12.1 | 4.4 |
| TS/atrial volume ratio [%] | 5.3 | 3.0 | 5.4 | 2.9 | 5.6 | 4.3 | 4.8 | 2.7 | 4.8 | 2.2 | 4.2 | 2.2 | 5.0 | 2.9 |