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. 2013 Jan 18;6:1–6. doi: 10.2147/RMHP.S39976

Table 2.

Associations between low BMI (<18.5) and adverse outcomes in 2011

Outcome Unadjusted Age-adjusted Age-sex-single-status-Charlson score adjusted



OR 95% CI OR 95% CI OR 95% CI
Hospitalization 2.28 1.71, 3.04 1.68 1.25, 2.27 1.64 1.21, 2.22
ER visit 2.30 1.76, 3.02 1.76 1.34, 2.33 1.70 1.28, 2.25
Mortality 5.73 3.82, 8.61 3.26 2.13, 5.01 3.64 2.33, 5.69

Abbreviations: BMI, body mass index; CI, confidence interval; ER, emergency room; OR, odds ratio.