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. 2020 Feb 19;15:389–395. doi: 10.2147/COPD.S234363

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© 2020 Li et al.

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Linear trend of length of hospital stay by BODE quartile (p < 0.001).

Notes: The relation among BODE quartiles for length of hospital stay after post hoc comparison with Scheffeé’s method is BODE quartile 1 = quartile 2 < quartile 3 < quartile 4.