| Postnatal age | Weight (g) | Foramen ovale size (mm) | Left atrium:Aorta ratio | Shortening fraction (%) | Ejection fraction (%) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ECHO1 (days) | ECHO2 PMA (weeks) | ECHO1 birth weight | ECHO2 weight at discharge | ECHO1 | ECHO2 | ECHO1 | ECHO2 | ECHO1 | ECHO2 | ECHO1 | ECHO2 | ||||||||
| Entire cohort (n=52) | 2 (1–3) | 36 (35–40) | 733 (633–835) | 2253 (2000–2825) | 1.9 (1.3–2.5) | 2.3 (1.5–2.6) | 1.2 (1.0–1.4) | 1.3 (1.2–1.4) | 40 (35–42) | 41 (36–44) | 75 (69–77) | 75 (70–78) | |||||||
| Stratified cohort (n=52) | Small FO (n=48) | 2 (1–3) | 36 (35–40) | 750 (633–840) | 2253 (1998–2730) | 1.9 (1.2–2.3) | 2.2 (1.3–2.6) | 1.2 (1.0–1.4) | 1.3 (1.2–1.4) | 39 (35–42) | 41 (37–44) | 75 (69–77) | 75 (70–78) | ||||||
| Large FO (n=4) | 2 (1–2) | 38 (36–42) | 700 (615–748) | 2590 (2118–3645) | 3.3 (3.1–3.7) | 6.2 (5.7–7.0) | 1.2 (1.1–1.2) | 1.3 (1.1–1.4) | 42 (36–45) | 37 (36–38) | 76 (70–81) | 71 (69–73) | |||||||