Table 3.

Agreement between the trainees and the tutor in recognition of the BLUE protocol profiles

The profiles of the BLUE protocol (recognition of)	Students without any previous experience in ultrasound (n = 9)			Students with previous limited experience in cardiac ultrasound (n = 10)
	k	95 % CI	Agreement strength	k	95 % CI	Agreement strength
The A profile	0.77	0.73–0.80	Substantial	0.71	0.61–0.80	Substantial
The A’ profile	0.76	0.75–0.77	Substantial	0.76	0.74–0.78	Substantial
The B profile	0.77	0.76–0.78	Substantial	0.75	0.74–0.76	Substantial
The B’ profile	0.72	0.70–0.72	Substantial	0.72	0.66–0.78	Substantial
The C profile	0.32	0.30–035	Fair	0.35	0.29–0.41	Fair
The A/B profile	0.50	0.48–0.52	Moderate	0.51	0.49–0.53	Moderate

CI confidence intervals