Table 3

Heart rate responses
Mental stress Laboratory relaxation Lowest 5 min, evening
FM patients 76 (8), 58-89b 71 (8), 55-85c 66 (3), 52-78
Controls 76 (7), 64-88d 67 (8), 54-86 65 (3), 45-76
pa 0.89 0.06 0.35

Heart rate (bpm) during mental stress test, laboratory relaxation, and 5-min period with lowest heart rate during evening activities for fibromyalgia (FM) patients and healthy controls.

Values are mean (SD), range.

aIndependent samples t-test; Paired samples t-test: bdifferent from Laboratory relaxation (p=0.001), and lowest 5 min period during evening (p<0.001); cdifferent from lowest 5 min period during evening (p=0.009); ddifferent from Laboratory relaxation (p<0.001) and lowest 5 min period during evening (p<0.001).

Westgaard et al.

Westgaard et al. BMC Musculoskeletal Disorders 2013 14:97   doi:10.1186/1471-2474-14-97

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