Table 4.

National Aeronautics and Space Administration Task Load Index scores^a.

TLXb subcomponent	Score, median (IQR)
	Clinicians (n=7)	Family participants (n=5)
1. Mental demand	27 (19-34)	16 (15-23)
2. Physical demand	12 (0-12)	0 (0-2)
3. Temporal demand	15 (14-18)	3 (1-6)
4. Performance	67 (64-79)	96 (82-97)
5. Effort	50 (17-56)	48 (21-50)
6. Frustration	13 (8-23)	2 (1-3)

^aScores are given on a sliding scale from 0=very low to 100=very high.

^bTLX: Task Load Index.