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Table 2 Comparison Between Sequential and Parallel POCUS-assisted Protocols in NASA-TLX Score and Time to Complete Assessment

From: When to incorporate point-of-care ultrasound (POCUS) into the initial assessment of acutely ill patients: a pilot crossover study to compare 2 POCUS-assisted simulation protocols

Metric

Sequential,

Median (IQR)

Parallel,

Median (IQR)

P Value

NASA-TLX score (of 100)

 Overall

30 (30–50)

55 (50–65)

.03

 Mental

40 (30–60)

50 (40–70)

.03

 Physical

30 (25–50)

60 (60–70)

.06

 Temporal

50 (30–55)

50 (30–60)

.81

 Performance

35 (30–60)

45 (40–70)

.06

 Effort

50 (30–70)

65 (45–75)

.28

 Frustration

25 (20–35)

60 (45–85)

.02

Time to complete assessment, min

8.7 (6–9)

10.1 (7–11)

.30

  1. Abbreviations: POCUS, point-of-care ultrasound; NASA-TLX, National Aeronautics and Space Administration Task Load Index