Mean percentage of circumference of the myocardial sleeves with fibrosis in 11 cases
| Age (years)/sex | LSPV | LIPV | RSPV | RIPV |
| 30/female | x | x | 5% | x |
| 38/male | x | 5% | x | x |
| 42/male | 5% | x | x | x |
| 48/male | 5% | x | 5% | x |
| 54/male | 10% | x | x | x |
| 58/male | x | 15% | x | x |
| 60/male | 20% | x | 15% | 70% |
| 64/female | x | 15% | x | x |
| 70/male | 30% | 20% | x | x |
| 71/female | 5% | 20% | x | x |
| 72/male | 10% | 5% | x | x |
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LI, left inferior; LS, left superior; PV, pulmonary vein; RI, right inferior; RS, right superior.
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x, none or < 5%.









