Basic diaphragm ultrasound training: Curriculum implementation and learning trajectory among diaphragm ultrasound naive trainees

Table 2 Median values of diaphragmatic measurements for trainer and trainee, median (interquartile range)

		Try 1	Try 2	Try 3	Try 4	Try 5
Right DTF ZOA (%, n = 13)	Trainer	40.9 (31.2-46.3)	27.3 (11.3-32.1)	26.7 (14.2-38.1)	17.8 (15.1-38.7)	30.4 (28.4-42.0)
	Trainee	29.9 (24.9-52.2)	27.5 (6.7-36.7)	25.0 (12.7-28.9)	16.3 (5.8-38.7)	29.2 (28.4-42.0)
	P value	0.66	0.76	0.06	0.68	0.34
Right DTF mid-axillary (%, n = 13)	Trainer	38.0 (22.4-77.5)	19.3 (7.0-24.6)	20.6 (14.2-26.1)	31.6 (23.6-55.3)	24.4 (21.6-41.2)
	Trainee	53.9 (13.1-79.9)	19.6 (11.0-27.7)	21.4 (12.8-26.1)	31.6 (15.7-55.3)	24.4 (21.6-41.2)
	P value	0.13	0.43	0.87	0.22	1
Right diaphragm excursion (cm, n = 12)	Trainer	1.27 (1.04-1.82)	1.07 (0.66-1.45)	0.96 (0.81-1.45)	0.88 (0.83-1.38)	1.18 (1.04-1.40)
	Trainee	1.16 (0.92-1.84)	1.03 (0.66-1.36)	1.02 (0.82-1.45)	0.88 (0.70-1.45)	1.18 (1.04-1.40)
	P value	0.09	0.19	0.19	0.49	1
Left DTF ZOA (%, n = 13)	Trainer	25.3 (19.4-72.4)	34.6 (26.1-47.1)	33.3 (23.1-35.3)	31.0 (15.4-48.4)	29.9 (15.3-37.8)
	Trainee	56.2 (14.8-72.4)	34.6 (21.1-53.0)	33.3 (27.7-38.9)	28.6 (15.4-42.3)	29.9 (15.3-37.8)
	P value	0.31	0.78	0.55	0.54	0.34
Left DTF mid-axillary (%, n = 12)	Trainer	32.5 (15.2-53.0)	21.5 (14.6-40.2)	22.9 (10.5-37.9)	31.3 (24.0-39.1)	24.0 (17.6-36.5)
	Trainee	20.5 (15.1-53.0)	18.1 (7.8-41.3)	18.9 (8.8-37.9)	29.0 (22.8-39.1)	24.0 (13.6-36.5)
	P value	0.48	0.55	0.17	0.34	0.34
Left diaphragm excursion (cm, n = 12)	Trainer	1.20 (1.11-1.58)	1.16 (0.83-2.17)	1.19 (0.94-1.34)	1.01 (0.77-1.12)	1.14 (1.05-1.31)
	Trainee	1.24 (1.11-1.60)	1.15 (0.83-2.17)	1.19 (0.89-1.34)	1.01 (0.77-1.12)	1.15 (1.07-1.42)
	P value	0.71	0.25	0.34	0.34	0.34

DTF: Diaphragm thickening fraction; ZOA: Zone of apposition.