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Mean SF-6D health utility score, according to pain, age group, and income level.
Notes: Pairwise tests between pain and no pain were significant for ages <35, 35–44, 45–54, 65–74, and ≥75. *p<0.05.
Abbreviations: CCI, Charlson comorbidity index; SF-6D, Short Form 6-Dimensions.
