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Fig. 5 | BMC Gastroenterology

Fig. 5

From: Effects of audio and visual distraction on patients’ vital signs and tolerance during esophagogastroduodenoscopy: a randomized controlled trial

Fig. 5

Changes in heart rate variability from pre-EGD to post-EGD in the 4 groups. a Comparisons of Log HF powers from pre-EGD to post-EGD in the 4 groups. b Comparisons of LF power/ HF power from pre-EGD to post-EGD in the 4 groups. The white bar indicates the values of control group. The light gray bar indicates values of audio group. The dark gray bar indicates values of visual group. The black bar indicates values of combination group. EGD, esophagogastroduodenoscopy; HF, high frequency; LF, low frequency; *P < 0.05; **P < 0.01; ***P < 0.001

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BMC Gastroenterology

ISSN: 1471-230X

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