Table 3.
Scores for basic critical-care transthoracic echocardiography obtained by the novices at M1, M3, and M6
| M1 | M3 | M6 | P -value | |
|---|---|---|---|---|
| Number of TTEs performed since start of training |
7 (5 to 10) |
27 (24 to 30) |
67 (57 to 80) |
0.0003 |
| Total Score (/20) |
13 (10 to 14) |
15 (12 to 16) |
17 (15 to 18) |
< 0.001 |
| Score on the first part of the scoring system (image quality/12) |
7 (5 to 9) |
8 (7 to 9) |
10 (9 to 11) |
< 0.001 |
| Score on the first part of the scoring system (semi-quantitative measurements/8) |
6 (5 to 7) |
7 (5 to 8) |
7 (6 to 8) |
0.07 |
| Time from starting TTE to suggesting the diagnosis/treatment |
|
|
|
|
| < 15 minutes |
0 (0%) |
0 (0%) |
6 (50%) |
0.03 |
| 15 to 20 minutes |
0 (0%) |
4 (33%) |
4 (33%) |
0.1 |
| < 20 minutes |
12 (100%) |
8 (67%) |
2 (17%) |
0.002 |
| Agreement with experts concerning diagnosis/treatment | 0.6 ± 0.5 | 0.5 ± 0.5 | 0.8 ± 0.4 | < 0.0001 |
N = 12.
Quantitative data are expressed as mean ± standard deviation or median (25% to 75% IQR) range and qualitative data as n (%).
M: months; TTE: transthoracic echocardiography.