Table 3.

Accuracy and time taken for image acquisition, correct interpretation and management based on number of CCE studies performed.

Imaging		Number of basic CCE studies performed					Overall trainee accuracy/ median time taken; IQR (s)
		0–9	10–19	20–39	40–50	>50
Parasternal long-axis view	Accuracy (n, %)	10/13 (77%)	5/6 (83%)	2/3 (67%)	2/2 (100%)	3/3 (100%)	22/27 (81%)
	Median time taken; IQR (s)	50; 27–81	69; 38–103	53; 20–69	76; 16–135	43; 20–65	53; 28–73
Parasternal short axis view	Accuracy (n, %)	6/13 (46%)	2/6 (33%)	1/3 33%)	2/2 (100%)	1/3 (33%)	12/27 (45%)
	Median time taken; IQR (s)	47; 19–109	49; 43–71	31; 8.9–243	38; 34–42	42; 22–67	44; 27–69
Apical four chamber view	Accuracy (n, %)	6/13 (46%)	2/6 (33%)	1/3 (33%)	2/2 (100%)	2/3 (67%)	13/27 (48%)
	Median time taken; IQR (s)	40; 33–105	58; 39–95	18; 13–44	39; 36–42	17; 17–78	42; 31–78
Subcostal view	Accuracy (n, %)	7/13 (54%)	2/6 (33%)	2/3 (67%)	1/2 (50%)	3/3 (100%)	15/27 (56%)
	Median time taken; IQR (s)	23; 16–69	33; 23–41	13; 8–19	83; 20–146	26; 21–29	23; 19–37
Inferior vena cava view	Accuracy (n, %)	8/13 (62%)	4/6 (67%)	2/3 (67%)	1/2 (50%)	3/3 (100%)	18/27 (67%)
	Median time taken; IQR (s)	30; 15–55	53; 23–104	11.2; 9–76	145; 138–151	33; 10–47	32; 15–75
Correct interpretation		7/13 (54%)	3/6 (50%)	1/3 (33%)	2/2 (100%)	3/3/(100%)
Correct management		6/13 (46%)	3/6 (50%)	2/3 (67%)	0/2 (0%)	3/3 (100%)

CCE: critical care echocardiography; IQR: interquartile range.