The normative values of pain thresholds in healthy Taiwanese

Li Ling Hope Pan*, Yu Hsiang Ling, Kuan Lin Lai, Yen Feng Wang, Fu Jung Hsiao, Shih Pin Chen, Hung Yu Liu, Wei Ta Chen, Shuu Jiun Wang*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: Quantitative sensory testing is widely used in clinical and research settings to assess the sensory functions of healthy subjects and patients. It is of importance to establish normative values in a healthy population to provide reference for studies involving patients. Given the absence of normative values for pain thresholds in Taiwan, the aim of this study was to report the normative values for future reference in the Taiwanese population and compare the differences between male and female participants. Methods: Healthy adults without any chronic or acute pain condition were recruited. The pain thresholds were assessed over the cephalic (supraorbital area and masseter muscle) and extracephalic (medio-volar forearm and thenar eminence) areas. The heat, cold, mechanical punctate, and pressure pain thresholds were measured with a standardized protocol. Comparisons between male and female participants were performed. Results: One hundred and thirty healthy participants (55 males: 30.4 ± 7.4 years; 75 females: 30.5 ± 8.1 years) finished the assessments. Male participants were less sensitive to mechanical stimuli, including pressure over masseter muscle (male vs. female: 178.5 ± 56.7 vs. 156.6 ± 58.4 kPa, p =.034) and punctate over medio-volar forearm (male vs. female: 116.4 ± 45.2 vs. 98.7 ± 65.4 g, p =.011), compared to female participants. However, female participants were less sensitive to cold stimuli, indicated by lower cold pain thresholds over the supraorbital area (male vs. female: 18.6 ± 8.4 vs. 13.6 ± 9.3°C, p =.004), compared to male participants. No significant differences were found between sexes in other pain threshold parameters. Conclusions: We provided the normative values of healthy male and female adults in Taiwan. This information is crucial for comparison in future pain-related studies to identify potential hypoalgesia or hyperalgesia of tested subjects.

Original languageEnglish
Article numbere3485
JournalBrain and Behavior
Volume14
Issue number4
DOIs
StatePublished - Apr 2024

Keywords

  • Eastern Asian
  • cold pain threshold
  • healthy adult
  • heat pain threshold
  • mechanical punctate pain threshold
  • pressure pain threshold

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