Table 4 CMR and clinical variables correlated to QRS ≥ 160ms
Variable | No outcome (N = 85) | Outcome (N = 45) | All patients (N = 130) | p | |||
|---|---|---|---|---|---|---|---|
Body surface area (m2) | 1.7 | (1.5–1.8) | 1.8 | (1.6–1.9) | 1.7 | (1.6–1.8) | 0.023 |
Weight (kg) | 60.0 | (52.0–70.0) | 68.0 | (60.0–77.0) | 64.0 | (55.0–73.0) | 0.017 |
RV EDVi (ml/m2) | 120.0 | (98.0 -144.0) | 134.0 | (116.0 -172.0) | 128.5 | (105.0 -148.0) | 0.025 |
RV ESVi (ml/m2) | 58.0 | (44.0–74.0) | 69.0 | (57.0–93.0) | 64.5 | (47.0–76.0) | 0.001 |
RV EDV (ml) | 200.7 | (172.9 -239.1) | 234.6 | (194.9 -278.1) | 214.2 | (178.7 -253.4) | 0.003 |
RV ESV (ml) | 97.4 | (76.0 -118.1) | 119.0 | (97.4 -156.2) | 108.6 | (81.6 -129.6) | < 0.001 |
RV EF (%) | 52.0 | (46.0–57.0) | 48.0 | (45.0–51.0) | 50.0 | (45.0–56.0) | 0.004 |
RV cEF (%), N = 127 | 30.4 | (25.5–39.3) | 27.4 | (21.4–33.7) | 29.8 | (23.9–38.0) | 0.034 |
RA transverse diameter (cm) | 4.6 | (4.1–5.3) | 5.2 | (4.6–5.7) | 4.9 | (4.3–5.5) | 0.003 |
RA longitudinal diameter (cm) | 4.9 | (4.2–5.5) | 5.2 | (4.6 -6.0) | 5.0 | (4.4–5.6) | 0.027 |
RA area (cm2) | 19.0 | (15.0–23.0) | 23.0 | (20.0–27.0) | 20.0 | (16.0–25.0) | 0.001 |
RVOT aneurysm sagittal diameter (mm), N = 32 | 28.0 | (25.0–37.0) | 40.0 | (33.0–43.0) | 32.0 | (25.5–39.0) | 0.006 |
Age at first CMR (years) | 19.9 | (17.3–33.5) | 29.1 | (20.2–37.1) | 22.1 | (18.0 -36.7) | 0.006 |
Age at TOF repair (months), N = 127 | 15.5 | (9.0 -45.3) | 35.8 | (11.4–88.9) | 23.1 | (9.5–67.7) | 0.040 |
Time from repair to CMR (years), N = 127 | 17.8 | (15.9–25.9) | 23.6 | (18.3–31.4) | 19.1 | (16.8–28.5) | 0.005 |
Follow-up time after first CMR (months) | 91.5 | (61.3 -140.3) | 129.1 | (86.5 -160.4) | 110.4 | (70.5 -149.4) | 0.011 |
Gender | 0.012 | ||||||
Female | 50 | (58.8%) | 16 | (35.6%) | 66 | (50.8%) | |
Male | 35 | (41.2%) | 29 | (64.4%) | 64 | (49.2%) | |
RV EDVi ≥ 160 ml/m2 | 0.031 | ||||||
No | 75 | (88.2%) | 33 | (73.3%) | 108 | (83.1%) | |
Yes | 10 | (11.8%) | 12 | (26.7%) | 22 | (16.9%) | |
RV ESVi ≥ 65 ml/m2 | 0.006 | ||||||
No | 50 | (58.8%) | 15 | (33.3%) | 65 | (50.0%) | |
Yes | 35 | (41.2%) | 30 | (66.7%) | 65 | (50.0%) | |
RV ESVi ≥ 85 ml/m2 | 0.002 | ||||||
No | 78 | (91.8%) | 32 | (71.1%) | 110 | (84.6%) | |
Yes | 7 | (8.2%) | 13 | (28.9%) | 20 | (15.4%) | |