Table 4.

Observations

Observation	BronchoBoy Median (range) or actual number	Koken Median (range) or actual number	Human Cadaver Median (range) or actual number	Porcine Lung Median (range) or actual number	P (Friedman’s test)
Task 1: Simulation of a bronchoscopic airway inspection
Number of segments identified	19 (19–19)	19 (19–19)	19 (19–19)	N/A	0.001
Number of participants entering segment RB1 without an endoscopic instrument in the working channel?	2/7	0/7	7/7	N/A
Number of participants entering segment RB6 of the model without an endoscopic instrument in the working channel?	7/7	7/7	7/7	N/A
Was it possible to maneuver the bronchoscope into RB1 with an endoscopic instrument visible on the camera image?	0/7	0/7	7/7	N/A
Was it possible to maneuver the bronchoscope into RB6 with an endoscopic instrument visible on the camera image?	7/7	7/7	7/7	N/A
How far could the bronchoscope be advanced into a segment of the right lower lobe of the model? (cm)	12.25 (9–15)	13 (11.5–16.5)	12.75 (9-18.5)	14.5 (10.5–19)	N/A
How far could the bronchoscope be advanced into a segment of the left upper lobe of the model? (cm)	8.75 (6–11)	9.5 (8-12.5)	11 (8–18)	8.75 (5–14)	N/A
How many times was it necessary to clean the lens inside the model?	0 (0–3)	0 (0–0)	0 (0–2)	1 (0–5)	N/A
How many times was it necessary to remove the bronchoscope to clean the lens?	0 (0–3)	0 (0–0)	0 (0–1)	0 (0–4)	N/A
Task 2: Simulation of a BAL
How much fluid was instilled in the model? (ml)	150 (150–150)	150 (150–150)	150 (150–150)	150 (150–150)	0.017
Was there any leakage of fluids from the model during the installation?	6/6	2/6	2/6	0/6
How much fluid was retracted from the model during suctioning? (ml)	52 (30–65)	132.5 (88–144)	22 (7.5–90)	134 (120–150)
Task 3: Simulation of a tissue sampling
Was it possible to perform three sampling procedures in the model?	0/7	0/7	7/7	7/7	< 0.001