Intra- and inter-tester reliability and validity of normal finger size measurement using the Japanese ring gauge system

Taku Suzuki, Y. Sato, S. Sotome, H. Arai, A. Arai, H. Yoshida

Research output: Contribution to journalArticle

Abstract

This study was designed to investigate the reliability and validity of measurements of finger diameters with a ring gauge. A reliability study enrolled two independent samples (50 participants and seven examiners in Study I; 26 participants and 26 examiners in Study II). The sizes of each participant's little fingers were measured twice with a ring gauge by each examiner. To investigate the validity of the measurements, five hand therapists compared the finger size and hand volume of 30 participants with the ring gauge and with a figure-of-eight technique (Study III). The intra-class correlation coefficient for intra-observer reliability ranged from 0.97 to 0.99 in Study I, and 0.90 to 0.97 in Study II. The intra-class correlation coefficient for inter-observer reliability was 0.95 in Study I and 0.94 in Study II. The validity study showed a Pearson product moment correlation coefficient of 0.75. The ring gauge showed high reliability and validity for measurement of finger size. Level of evidence: III, diagnostic.

Original languageEnglish
Pages (from-to)511-515
Number of pages5
JournalJournal of Hand Surgery: European Volume
Volume42
Issue number5
DOIs
Publication statusPublished - 2017 Jun 1
Externally publishedYes

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Reproducibility of Results
Fingers
Hand

Keywords

  • finger size
  • reliability
  • Ring gauge
  • validity

ASJC Scopus subject areas

  • Surgery

Cite this

Intra- and inter-tester reliability and validity of normal finger size measurement using the Japanese ring gauge system. / Suzuki, Taku; Sato, Y.; Sotome, S.; Arai, H.; Arai, A.; Yoshida, H.

In: Journal of Hand Surgery: European Volume, Vol. 42, No. 5, 01.06.2017, p. 511-515.

Research output: Contribution to journalArticle

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