gms | German Medical Science

14th Triennial Congress of the International Federation of Societies for Surgery of the Hand (IFSSH), 11th Triennial Congress of the International Federation of Societies for Hand Therapy (IFSHT)

17.06. - 21.06.2019, Berlin

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Validity and reliability of the symptoms question in the Cold Intolerance Symptom Severity questionnaire in Japanese patients with hand injuries

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  • presenting/speaker Ayumu Echigo - Sapporo Tokushukai Hospital, Sapporo, Japan
  • Yoshiaki Kurata - Sapporo Tokushukai Hospital, Sapporo, Japan
  • Koji Ibe - Sapporo Tokushukai Hospital, Sapporo, Japan
  • Yukihiro Osanami - Sapporo Medical Rehabilitation College, Sapporo, Japan
  • Hideki Tsuji - Sapporo Tokushukai Hospital, Sapporo, Japan

International Federation of Societies for Surgery of the Hand. International Federation of Societies for Hand Therapy. 14th Triennial Congress of the International Federation of Societies for Surgery of the Hand (IFSSH), 11th Triennial Congress of the International Federation of Societies for Hand Therapy (IFSHT), 11th Triennial Congress of the International Federation of Societies for Hand Therapy (IFSHT). Berlin, 17.-21.06.2019. Düsseldorf: German Medical Science GMS Publishing House; 2020. DocIFSHT19-1306

doi: 10.3205/19ifssh1536, urn:nbn:de:0183-19ifssh15363

Published: February 6, 2020

© 2020 Echigo et al.
This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 License. See license information at http://creativecommons.org/licenses/by/4.0/.

Outline

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Objective: The Cold Intolerance Symptom Severity questionnaire (CISS) is a tool for measuring cold intolerance (CI) in patients with hand injuries. This consists of six questions (Q1-Q6); CI symptoms, frequency, duration, prevention measures, severity, and impact on daily activities. Q1 asks about the occurrence of seven symptoms (10 points each) but these are not counted toward the final CISS score; only Q2-Q6. The aim of this study was to assess the validity and reliability of Q1 of the CISS (symptom point) in Japanese patients with hand injuries.

Materials and Methods: During winter season, eighty-eight Japanese outpatients with hand injuries completed the CISS questionnaire (Japanese version, IFSHT 2016) including Q1 and the Disability of the Arm, Shoulder, and Hand (DASH) instrument. The types of injuries included 9 tendon injuries, 12 phalangeal fractures,13 nerve injuries, 30 finger replantations, and 24 complex injuries. The mean age was 49.0 years (range 21- 75).

Statistical analysis: The CISS score (Q2-Q6) and the DASH were used to assess criterion (concurrent) validity of the symptom point. The Spearman's correlation was calculated to assess the correlation between the symptom point, CISS score and the DASH. To evaluate the reliability of the symptom point, Cronbach's alpha of modified CISS score including the symptom point (Q1-Q6) were calculated for internal consistency.

Results: The averages of the symptom point and the CISS score (Q2-Q6) were 23.4 (0-70) and 42.5 (0-83), respectively.

Spearman's correlations between the symptom point and the CISS score, the DASH were 0.829 (strong correlation) and 0.380 (modest correlation), respectively. Cronbach's alpha was 0.917 indicating good internal consistency of the modified CISS score.

Conclusions: The symptom point of the CISS was proved to be reliable with strong correlation to the CISS score and high internal consistency. These results support its use to evaluate CI in patients with hand injuries.