Table 2. Mean measurements, percentage errors and P-values comparing the plastinated and three-dimensional printed heart.
| Measurement | Plastinated heart | 3DP heart | Error (%) | P-value |
|---|---|---|---|---|
| Heart | ||||
| Length (mm) | 111.50 | 113.33 | 1.64 | 0.09 |
| Breadth (mm) | 76.83 | 76.67 | 0.22 | 0.74 |
| Weight (g) | 155.97 | 232.63 | 49.16 | 0.001 |
| Aorta diameter (mm) | 18.33 | 18.60 | 1.45 | 0.75 |
| Pulmonary trunk diameter (mm) | 18.00 | 17.67 | 1.85 | 0.67 |
| Superior vena cava diameter (mm) | 15.83 | 16.60 | 4.84 | 0.22 |
| CX diameter (mm) | ||||
| Near origin | 3.63 | 3.53 | 2.75 | 0.23 |
| Near termination | 2.77 | 2.62 | 5.42 | 0.04 |
| LAD diameter (mm) | ||||
| Proximal part | 3.33 | 2.60 | 22.00 | 0.002 |
| Middle part | 2.49 | 2.22 | 10.98 | 0.003 |
| Distal part | 1.80 | 1.97 | 9.26 | 0.30 |
| RCA diameter (mm) | ||||
| At the conus branch | 3.47 | 3.30 | 4.81 | 0.13 |
| At the inferior margin | 2.95 | 3.77 | 27.68 | 0.002 |
| Just before PIA | 2.77 | 2.63 | 4.82 | 0.18 |
| Proximal PIA | 1.53 | 1.77 | 15.22 | 0.07 |
CX, circumflex artery; LAD, left anterior descending artery; RCA, right coronary artery; PIA, posterior interventricular artery.