Validation and reliability of the Timed Up and Go test for measuring objective functional impairment in patients with long-standing rheumatoid arthritis: A cross-sectional study

Toshihisa Kojima, Hajime Ishikawa, Sakae Tanaka, Nobuhiko Haga, Keiichiro Nishida, Masao Yukioka, Jun Hashimoto, Hisaaki Miyahara, Yasuo Niki, Tomoatsu Kimura, Hiromi Oda, Shuji Asai, Koji Funahashi, Masayo Kojima, Naoki Ishiguro

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Aim: This study aimed to validate the Timed Up and Go test (TUG) for measuring objective functional impairment in patients with established rheumatoid arthritis (RA) based on a prospective observational cohort of RA patients undergoing joint surgery. Methods: We collected data on demographics, Health Assessment Questionnaire Disability Index (HAQ-DI), and associations between TUG and HAQ-DI and other patient-reported outcomes, including European Quality of life scale (EQ-5D) were determined. Cut-off values of TUG for HAQ remission (HAQ-DI ≤0.5), normal HAQ (HAQ-DI ≤0.25), and the absence of disability in each HAQ-DI category were also determined by age. Results: A total of 435 patients were enrolled and analyzed. Mean age was 64.2 years, mean disease duration was 17.1 years, mean HAQ-DI was 1.14, and mean TUG was 11.1 sec. TUG was significantly correlated with aging, EQ-5D, and HAQ-DI categories related to lower limb function (arising, walking, reach and activity). After adjusting for age and sex, mean TUG values were 9.0 sec (95% CI, 7.7-10.3) in patients with HAQ remission and 8.7 sec (7.4-10.4) in those with normal HAQ. By age, mean TUG values for HAQ remission were 7.2 sec (5.9-8.5) in young patients (≤61 years), 9.1 sec (7.6-10.5) in middle-aged patients (62-70 years) and 10.0 sec (5.7-14.2) in old patients (≥71 years). Conclusion: TUG was significantly associated with functional impairment and aging in patients with long-standing RA. Thus, TUG could be useful in setting treatment goals for joint surgery and rehabilitation in established RA patients.

Original languageEnglish
JournalInternational Journal of Rheumatic Diseases
DOIs
Publication statusAccepted/In press - Jan 1 2017

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ametantrone
Rheumatoid Arthritis
Cross-Sectional Studies
Health
Joints
Surveys and Questionnaires
Walking
Lower Extremity
Rehabilitation
Quality of Life
Demography

Keywords

  • Outcome measure
  • Physical function
  • Rehabilitation
  • Rheumatoid arthritis
  • Timed Up and Go test

ASJC Scopus subject areas

  • Rheumatology

Cite this

Validation and reliability of the Timed Up and Go test for measuring objective functional impairment in patients with long-standing rheumatoid arthritis : A cross-sectional study. / Kojima, Toshihisa; Ishikawa, Hajime; Tanaka, Sakae; Haga, Nobuhiko; Nishida, Keiichiro; Yukioka, Masao; Hashimoto, Jun; Miyahara, Hisaaki; Niki, Yasuo; Kimura, Tomoatsu; Oda, Hiromi; Asai, Shuji; Funahashi, Koji; Kojima, Masayo; Ishiguro, Naoki.

In: International Journal of Rheumatic Diseases, 01.01.2017.

Research output: Contribution to journalArticle

Kojima, Toshihisa ; Ishikawa, Hajime ; Tanaka, Sakae ; Haga, Nobuhiko ; Nishida, Keiichiro ; Yukioka, Masao ; Hashimoto, Jun ; Miyahara, Hisaaki ; Niki, Yasuo ; Kimura, Tomoatsu ; Oda, Hiromi ; Asai, Shuji ; Funahashi, Koji ; Kojima, Masayo ; Ishiguro, Naoki. / Validation and reliability of the Timed Up and Go test for measuring objective functional impairment in patients with long-standing rheumatoid arthritis : A cross-sectional study. In: International Journal of Rheumatic Diseases. 2017.
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abstract = "Aim: This study aimed to validate the Timed Up and Go test (TUG) for measuring objective functional impairment in patients with established rheumatoid arthritis (RA) based on a prospective observational cohort of RA patients undergoing joint surgery. Methods: We collected data on demographics, Health Assessment Questionnaire Disability Index (HAQ-DI), and associations between TUG and HAQ-DI and other patient-reported outcomes, including European Quality of life scale (EQ-5D) were determined. Cut-off values of TUG for HAQ remission (HAQ-DI ≤0.5), normal HAQ (HAQ-DI ≤0.25), and the absence of disability in each HAQ-DI category were also determined by age. Results: A total of 435 patients were enrolled and analyzed. Mean age was 64.2 years, mean disease duration was 17.1 years, mean HAQ-DI was 1.14, and mean TUG was 11.1 sec. TUG was significantly correlated with aging, EQ-5D, and HAQ-DI categories related to lower limb function (arising, walking, reach and activity). After adjusting for age and sex, mean TUG values were 9.0 sec (95{\%} CI, 7.7-10.3) in patients with HAQ remission and 8.7 sec (7.4-10.4) in those with normal HAQ. By age, mean TUG values for HAQ remission were 7.2 sec (5.9-8.5) in young patients (≤61 years), 9.1 sec (7.6-10.5) in middle-aged patients (62-70 years) and 10.0 sec (5.7-14.2) in old patients (≥71 years). Conclusion: TUG was significantly associated with functional impairment and aging in patients with long-standing RA. Thus, TUG could be useful in setting treatment goals for joint surgery and rehabilitation in established RA patients.",
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T1 - Validation and reliability of the Timed Up and Go test for measuring objective functional impairment in patients with long-standing rheumatoid arthritis

T2 - A cross-sectional study

AU - Kojima, Toshihisa

AU - Ishikawa, Hajime

AU - Tanaka, Sakae

AU - Haga, Nobuhiko

AU - Nishida, Keiichiro

AU - Yukioka, Masao

AU - Hashimoto, Jun

AU - Miyahara, Hisaaki

AU - Niki, Yasuo

AU - Kimura, Tomoatsu

AU - Oda, Hiromi

AU - Asai, Shuji

AU - Funahashi, Koji

AU - Kojima, Masayo

AU - Ishiguro, Naoki

PY - 2017/1/1

Y1 - 2017/1/1

N2 - Aim: This study aimed to validate the Timed Up and Go test (TUG) for measuring objective functional impairment in patients with established rheumatoid arthritis (RA) based on a prospective observational cohort of RA patients undergoing joint surgery. Methods: We collected data on demographics, Health Assessment Questionnaire Disability Index (HAQ-DI), and associations between TUG and HAQ-DI and other patient-reported outcomes, including European Quality of life scale (EQ-5D) were determined. Cut-off values of TUG for HAQ remission (HAQ-DI ≤0.5), normal HAQ (HAQ-DI ≤0.25), and the absence of disability in each HAQ-DI category were also determined by age. Results: A total of 435 patients were enrolled and analyzed. Mean age was 64.2 years, mean disease duration was 17.1 years, mean HAQ-DI was 1.14, and mean TUG was 11.1 sec. TUG was significantly correlated with aging, EQ-5D, and HAQ-DI categories related to lower limb function (arising, walking, reach and activity). After adjusting for age and sex, mean TUG values were 9.0 sec (95% CI, 7.7-10.3) in patients with HAQ remission and 8.7 sec (7.4-10.4) in those with normal HAQ. By age, mean TUG values for HAQ remission were 7.2 sec (5.9-8.5) in young patients (≤61 years), 9.1 sec (7.6-10.5) in middle-aged patients (62-70 years) and 10.0 sec (5.7-14.2) in old patients (≥71 years). Conclusion: TUG was significantly associated with functional impairment and aging in patients with long-standing RA. Thus, TUG could be useful in setting treatment goals for joint surgery and rehabilitation in established RA patients.

AB - Aim: This study aimed to validate the Timed Up and Go test (TUG) for measuring objective functional impairment in patients with established rheumatoid arthritis (RA) based on a prospective observational cohort of RA patients undergoing joint surgery. Methods: We collected data on demographics, Health Assessment Questionnaire Disability Index (HAQ-DI), and associations between TUG and HAQ-DI and other patient-reported outcomes, including European Quality of life scale (EQ-5D) were determined. Cut-off values of TUG for HAQ remission (HAQ-DI ≤0.5), normal HAQ (HAQ-DI ≤0.25), and the absence of disability in each HAQ-DI category were also determined by age. Results: A total of 435 patients were enrolled and analyzed. Mean age was 64.2 years, mean disease duration was 17.1 years, mean HAQ-DI was 1.14, and mean TUG was 11.1 sec. TUG was significantly correlated with aging, EQ-5D, and HAQ-DI categories related to lower limb function (arising, walking, reach and activity). After adjusting for age and sex, mean TUG values were 9.0 sec (95% CI, 7.7-10.3) in patients with HAQ remission and 8.7 sec (7.4-10.4) in those with normal HAQ. By age, mean TUG values for HAQ remission were 7.2 sec (5.9-8.5) in young patients (≤61 years), 9.1 sec (7.6-10.5) in middle-aged patients (62-70 years) and 10.0 sec (5.7-14.2) in old patients (≥71 years). Conclusion: TUG was significantly associated with functional impairment and aging in patients with long-standing RA. Thus, TUG could be useful in setting treatment goals for joint surgery and rehabilitation in established RA patients.

KW - Outcome measure

KW - Physical function

KW - Rehabilitation

KW - Rheumatoid arthritis

KW - Timed Up and Go test

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