Table 3.
Comparison of manual measurement and AI automatic measurement (paired samples t-test).
| Features | The Difference of Manual and AI Automatic Measurement |
AI Automatic Measurement | Manual Measurement |
|||
|---|---|---|---|---|---|---|
| Mean | Test Statistic t | 95% CI of Difference | Sig. | Mean ± SD | Mean ± SD | |
| MPAd (mm) | −2.249 | −3.573 | −3.511 to −0.9874 | 0.001 | 34.48 ± 3.98 | 36.73 ± 5.98 |
| RPAd (mm) | −0.5759 | 1.222 | −0.3693 to 1.521 | 0.227 | 24.33 ± 3.01 | 23.75 ± 3.82 |
| LPAd (mm) | 2.843 | 4.394 | 1.546 to 4.140 | 0.000 | 25.42 ± 4.61 | 22.57 ± 3.73 |
| AAd (mm) | −0.1506 | −0.347 | −1.020 to 0.718 | 0.730 | 29.81 ± 4.61 | 29.96 ± 5.57 |
| LVd (mm) | 4.975 | 4.255 | 2.632 to 7.319 | 0.000 | 39.78 ± 8.51 | 34.80 ± 9.66 |
| RVd (mm) | 0.5214 | 0.484 | −1.636 to 2.679 | 0.630 | 44.39 ± 5.62 | 43.87 ± 9.32 |
| LAd (mm) | −0.2745 | −0.320 | −1.994 to 1.445 | 0.750 | 29.60 ± 6.52 | 29.88 ± 9.06 |
| RAd (mm) | −11.68 | −7.096 | −14.98 to −8.382 | 0.000 | 46.47 ± 7.49 | 58.15 ± 15.15 |
Note. AAd, diameter of ascending aorta; LAd, diameter of left atrium; LPAd, diameter of left pulmonary artery; LVd, diameter of left ventricle; MPAd, diameter of main pulmonary artery; RAd, diameter of right atrium; RPAd, diameter of right pulmonary artery; RVd, diameter of right ventricle.