Clinical Study
Novel Models for the Prediction of Left Atrial Appendage Thrombus in Patients with Chronic Nonvalvular Atrial Fibrillation
Table 4
Models of combined CHA2DS2-VASc score and left atrial speckle tracking parameters for LAA thrombus prediction.
| | χ2 | Model 1 (χ2 = 3.53) | Model 2 (χ2 = 12.03) | Model 3 (χ2 = 33.47) | Model 4 (χ2 = 33.48) |
| | Variables | CHA2DS2-VASc | CHA2DS2-VASc + LAVi | CHA2DS2-VASc + LAVi + LASp(4C) | CHA2DS2-VASc + LAVi + LASRc(2C) | | OR = 1.24 (95% CI: 0.99–1.55) | OR = 1.15 (95% CI: 0.91–1.46) | OR = 1.10 (95% CI: 0.85–1.43) | OR = 1.10 (95% CI: 0.85–1.43) | | — | OR = 1.03 (95% CI: 1.01–1.05; ) | OR = 1.02 (95% CI: 0.85–1.43) | OR = 1.02 (95% CI: 0.85–1.43) | | — | — | OR = 0.76 (95% CI: 0.66–0.68; ) | OR = 0.76 (95% CI: 0.65-0.90; ) | | — | — | — | OR = 0.82 (95% CI: 0.04–6.01; ) |
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95% CI: 95% confidence interval; LAVi: left atrial volume index; LASp(4C): left atrial positive strain in four-chamber view; LASRc(2C): left atrial negative strain rate in two-chamber view; OR: odds ratio.
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