Table 3 Regurgitation reclassification comparing no and stationary tissue correction methods to phantom correction
Aortic valve (n = 175) | Pulmonary valve (n = 171) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
≥1 categorya | 1 categoryb | ≥2 categoriesc | Weighted kappa | 95% CI | ≥1 categorya | 1 categoryb | ≥2 categoriesc | Weighted kappa | 95% CI | |
Medis QFlow | ||||||||||
No correction | 21 (12%) | 19 (11%) | 2 (1%) | 0.69 | 0.55–0.83 | 16 (9%) | 15 (9%) | 1 (1%) | 0.92 | 0.88–0.96 |
1st order correction | 36 (21%) | 31 (18%) | 5 (3%) | 0.55 | 0.40–0.69 | 19 (11%) | 18 (11%) | 1 (1%) | 0.90 | 0.86–0.94 |
MASS | ||||||||||
No correction | 21 (12%) | 20 (11%) | 1 (1%) | 0.73 | 0.61–0.85 | 15 (9%) | 14 (8%) | 1 (1%) | 0.92 | 0.88–0.96 |
Optimized ST correction | 22 (13%) | 19 (11%) | 3 (2%) | 0.69 | 0.55–0.83 | 18 (11%) | 18 (11%) | 0 (0%) | 0.91 | 0.88–0.95 |
1st order correction | 28 (16%) | 22 (13%) | 6 (3%) | 0.62 | 0.49–0.76 | 22 (13%) | 22 (13%) | 0 (0%) | 0.89 | 0.85–0.93 |
2nd order correction | 24 (14%) | 19 (11%) | 5 (3%) | 0.60 | 0.43–0.76 | 23 (13%) | 23 (13%) | 0 (0%) | 0.89 | 0.85–0.93 |
3rd order correction | 18 (10%) | 15 (9%) | 3 (2%) | 0.73 | 0.59–0.87 | 23 (13%) | 23 (13%) | 0 (0%) | 0.89 | 0.85–0.93 |
Circle cvi42 | ||||||||||
No correction | 29 (17%) | 27 (15%) | 2 (1%) | 0.64 | 0.51–0.78 | 15 (9%) | 14 (8%) | 1 (1%) | 0.92 | 0.88–0.96 |
Optimized ST correction | 32 (18%) | 27 (15%) | 5 (3%) | 0.61 | 0.48–0.74 | 35 (20%) | 34 (20%) | 1 (1%) | 0.83 | 0.77–0.88 |
1st order correction | 64 (37%) | 55 (31%) | 9 (5%) | 0.41 | 0.28–0.53 | 26 (15%) | 25 (15%) | 1 (1%) | 0.87 | 0.82–0.92 |
2nd order correction | 24 (14%) | 20 (11%) | 4 (2%) | 0.65 | 0.51–0.79 | 34 (20%) | 32 (19%) | 2 (1%) | 0.83 | 0.77–0.88 |
3rd order correction | 27 (15%) | 23 (13%) | 4 (2%) | 0.63 | 0.50–0.77 | 31 (18%) | 28 (16%) | 3 (2%) | 0.84 | 0.78–0.89 |