The cross-sectional and longitudinal association of the BODE index with quality of life in patients with chronic obstructive pulmonary disease
BACKGROUND: The body mass index, airflow obstruction, dyspnea, and exercise capacity (BODE) index was shown at predicting the risk of death, exacerbation and disease severity among patients with COPD, but few studies verified relationship between BODE index and health related quality of life (HRQoL) among Chinese COPD patients. The objective of this study was to evaluate the relationship between BODE index and HRQoL in cross-sectional and longitudinal association analyses.
METHODS: A multi-center prospective cohort study was initially conducted in 491 stable COPD patients in Beijing, China. Health status (HRQoL) was assessed by St. George's Respiratory Questionnaire (SGRQ); the BODE index was calculated for each patient; dyspnea was assessed using the 5-grade Medical Research Council dyspnea scale. Other measurements included socio-demographic, body mass index (BMI), lung function test and 6-minute-walk test (6MWT). Patients were then followed monthly for 12 months.
RESULTS: Only 450 patients completed the 1-year follow up and were enrolled in our present analyses. Mean age was (65.2 +/- 10.6) years, men 309 (68.7%). The BODE index was categorized into 4 subgroups: 0 - 2, 3 - 4, 5 - 6 and 7 - 10. At baseline BODE index was gradually increased with baseline total SGRQ and SGRQ subscales (P trend < 0.001). For individual components of BODE index, with the decrease of airflow limitation, and 6MWD, and with the increase of Medical Research Council (MRC) dyspnea grade, total SGRQ and SGRQ subscales were increased correspondingly, P trend < 0.05, respectively. Similar association patterns were found between baseline BODE index and its individual components and mean SGRQ scores at the end of 1-year follow up. By multiple linear regression analyses, baseline BODE index was not only significantly associated with SGRQ score at baseline but also with SGRQ score at the end of 1-year follow up after adjustment for age, male, current smoking, betas being 0.434 and 0.378, respectively.
CONCLUSIONS: BODE index is associated with SGRQ score cross-sectionally and longitudinally among stable COPD patients. BODE index might have potential to be used as a sensitive tool to assess the status of quality of life and to monitor disease progression among stable COPD patients.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2009 |
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| Erschienen: |
2009 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:122 |
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| Enthalten in: |
Chinese medical journal - 122(2009), 24 vom: 20. Dez., Seite 2939-44 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Lin, Ying-Xiang [VerfasserIn] |
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| Themen: |
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| Anmerkungen: |
Date Completed 30.04.2010 Date Revised 19.11.2015 published: Print Citation Status MEDLINE |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM194923770 |
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| 041 | |a eng | ||
| 100 | 1 | |a Lin, Ying-Xiang |e verfasserin |4 aut | |
| 245 | 1 | 4 | |a The cross-sectional and longitudinal association of the BODE index with quality of life in patients with chronic obstructive pulmonary disease |
| 264 | 1 | |c 2009 | |
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a ƒaComputermedien |b c |2 rdamedia | ||
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| 500 | |a Date Completed 30.04.2010 | ||
| 500 | |a Date Revised 19.11.2015 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a BACKGROUND: The body mass index, airflow obstruction, dyspnea, and exercise capacity (BODE) index was shown at predicting the risk of death, exacerbation and disease severity among patients with COPD, but few studies verified relationship between BODE index and health related quality of life (HRQoL) among Chinese COPD patients. The objective of this study was to evaluate the relationship between BODE index and HRQoL in cross-sectional and longitudinal association analyses | ||
| 520 | |a METHODS: A multi-center prospective cohort study was initially conducted in 491 stable COPD patients in Beijing, China. Health status (HRQoL) was assessed by St. George's Respiratory Questionnaire (SGRQ); the BODE index was calculated for each patient; dyspnea was assessed using the 5-grade Medical Research Council dyspnea scale. Other measurements included socio-demographic, body mass index (BMI), lung function test and 6-minute-walk test (6MWT). Patients were then followed monthly for 12 months | ||
| 520 | |a RESULTS: Only 450 patients completed the 1-year follow up and were enrolled in our present analyses. Mean age was (65.2 +/- 10.6) years, men 309 (68.7%). The BODE index was categorized into 4 subgroups: 0 - 2, 3 - 4, 5 - 6 and 7 - 10. At baseline BODE index was gradually increased with baseline total SGRQ and SGRQ subscales (P trend < 0.001). For individual components of BODE index, with the decrease of airflow limitation, and 6MWD, and with the increase of Medical Research Council (MRC) dyspnea grade, total SGRQ and SGRQ subscales were increased correspondingly, P trend < 0.05, respectively. Similar association patterns were found between baseline BODE index and its individual components and mean SGRQ scores at the end of 1-year follow up. By multiple linear regression analyses, baseline BODE index was not only significantly associated with SGRQ score at baseline but also with SGRQ score at the end of 1-year follow up after adjustment for age, male, current smoking, betas being 0.434 and 0.378, respectively | ||
| 520 | |a CONCLUSIONS: BODE index is associated with SGRQ score cross-sectionally and longitudinally among stable COPD patients. BODE index might have potential to be used as a sensitive tool to assess the status of quality of life and to monitor disease progression among stable COPD patients | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 700 | 1 | |a Xu, Wan-Ning |e verfasserin |4 aut | |
| 700 | 1 | |a Liang, Li-Rong |e verfasserin |4 aut | |
| 700 | 1 | |a Pang, Bao-Sen |e verfasserin |4 aut | |
| 700 | 1 | |a Nie, Xiu-Hong |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Jie |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Hong |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Yu-Xiang |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Dan-Qi |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Zhen-Yang |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Hong-Wu |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Hu-Sheng |e verfasserin |4 aut | |
| 700 | 1 | |a He, Zheng-Yi |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Ting |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Chen |e verfasserin |4 aut | |
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