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Low back pain deprives the Japanese adult population of their quality of life: a questionnaire survey at five healthcare facilities in Japan.


ABSTRACT: OBJECTIVES: To estimate the degree to which low back pain (LBP) deprives the Japanese adult population of their quality of life (QOL) in terms of quality-adjusted life-years (QALYs). METHODS: A questionnaire survey was conducted among participants of health examinations at five healthcare facilities in Japan. Age- and sex-specific mean values of the EQ-5D score were calculated for (1) those who reported LBP and interference with daily activities (IDA) due to the pain (n = 251), (2) those who reported LBP but no IDA (n = 955), and (3) those who reported no musculoskeletal pain (n = 2887). To estimate the loss of QALYs due to LBP in the Japanese adult population, we multiplied the age- and sex-specific mean differences of the EQ-5D scores between the LBP with (or without) IDA group and the no pain group by the corresponding age- and sex-specific numbers of people with LBP with (or without) IDA in Japan. RESULTS: Among the entire Japanese adult population of 103 million people, 11,800,000 (4,910,000 men and 6,890,000 women) were estimated to suffer from LBP, and 2,403,000 (976,000 men and 1,427,000 women) people were estimated to encounter IDA due to the pain. The loss of QALYs due to LBP in the Japanese adult population was estimated at 947,000 (9.18 per 1000 population). The loss of QALYs due to IDA in the LBP people was estimated at 139,000 (1.35 per 1000 population). CONCLUSIONS: The estimated loss of QALYs due to LBP suggests that LBP substantially deprives the Japanese adult population of their QOL.

SUBMITTER: Suka M 

PROVIDER: S-EPMC2698265 | biostudies-other | 2008 Mar

REPOSITORIES: biostudies-other

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