Table 3 Correlations between objective performance measures and cardiovascular variables.

From: Heart Rate and Heart Rate Variability Correlate with Clinical Reasoning Performance and Self-Reported Measures of Cognitive Load

PEF-based Performance Measure

Physiologic Measure

Correlation Coefficient

p-value

Case 2 Performance Score

v2 SDNN

0.69

0.042

v2 VLF

0.68

0.042

v2 QT

0.71

<0.05

v3 QT

0.68

0.045

p3 HR

−0.70

0.037

p3 QT

0.69

0.042

t3 QT

0.73

0.026

Case 3 Performance Score

v3 QTVI

−0.73

0.024

  1. vn, pn and tn indicate the physiologic measures averaged during watching the video, PEF completion and the think-aloud sessions for case n (1–3), respectively.
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