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. 2018 Jan 18;10:53–65. doi: 10.2147/CEOR.S148405

Table 1.

Respondents according to sex, presence of pain, and comorbidity category

Subsample Women
Men
No pain Pain No pain Pain
Overall 7657 2408 7509 1599
CCI: 0 6865 1897 6221 1076
CCI: 1–2 745 464 1149 433
CCI: 3–4 41 33 92 62
CCI: ≥5 6 14 47 28

Abbreviation: CCI, Charlson comorbidity index.