Fig. 4

Endothelial quality score (EQS) for evaluating cell culture quality based on morphological and ECD criteria. EQS was calculated from the z-score of each of the 6 chosen parameters (ECD, Hexagonality, Quality of Hexagonality, CV, Adjusted CV, Filimorphism). Graph illustrating 6 objective evaluation parameters across 4 culture qualities: (1) EndoMT cells at passage 7; (2) Mixed population quality at passage 5; (3) High quality – young donor (below 30 yo) at passage 4; (4) High quality – aged donor (over 30 yo), at passage 11. *=p-value < 0.05, **=p-value < 0.01, ***=p-value < 0.001).