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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