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. Author manuscript; available in PMC: 2021 Sep 1.
Published in final edited form as: Pain. 2020 Sep 1;161(9):2010–2021. doi: 10.1097/j.pain.0000000000001900

Table 1.

Demographic and vital information of the pain-free healthy participants (n=49)

n/mean ± S.D.
Sex
 Men 24
 Women 25
Age (years) 27.75 ± 6.7
Ethnicity and Race
 Non-Hispanic White 20
 Non-Hispanic Afro-American or Black 10
 Asian 19
Body Mass Index 23.72 ± 3.45
Blood Pressure (mmHg)
 Diastolic 71.94 ± 8.41
 Systolic 117.98 ± 12.21
Heart Rate pre-experiment (beats/min) 70.90 ± 11.44
Temperature
(°C)
Duration
(seconds)
Individual baseline pain sensitivity
 Warmth detection 35.74 ± 2.39 13.71 ± 8.71
 Painful threshold 38.66 ± 2.34 24.42 ± 12.26
 Painful tolerance limit 46.19 ± 2.93 15.96 ± 3.30
Heat-pain assessment during VR Ocean
 Warmth detection 37.70 ± 2.75 20.91 ± 10.09
 Painful threshold 40.50 ± 3.06 31.18 ± 12.21
 Painful tolerance limit 47.09 ± 2.05 16.98 ± 2.31
Heat-pain assessment during VR Opera
 Warmth detection 37.11 ± 2.62 18.75 ± 10.09
 Painful threshold 39.69 ± 3.20 28.18 ± 11.72
 Painful tolerance limit 46.46 ± 2.46 16.27 ± 2.76
Heat-pain assessment during Control Ocean
 Warmth detection 37.78 ± 2.67 21.17 ± 9.80
 Painful threshold 39.87 ±3.28 28.87 ± 12.04
 Painful tolerance limit 46.33 ± 2.65 16.12 ± 2.98
Heat-pain assessment during Control Opera
 Warmth detection 37.72 ± 2.63 20.99 ± 9.63
 Painful threshold limit 40.09 ± 3.09 29.65 ± 11.34
 Painful tolerance 46.23 ± 2.71 16.01 ± 3.05
Heat-pain assessment during 2-Back Task
 Warmth detection 36.86 ± 2.89 17.81 ± 8.77
 Painful threshold 40.11 ± 3.18 29.74 ± 11.65
 Painful tolerance limit 46.54 ± 2.61 16.36 ± 2.93