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. 2023 Feb 5;248(4):309–316. doi: 10.1177/15353702221139185

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Figure 3. — Association between HO-1, HPX, and heme levels with length of ICU stay. (a, b) Association of HO-1 levels at admission and on day 4 + with days of ICU stay. (c, d) Association of hemopexin levels at admission and on day 4 + with days of ICU stay. (e, f) Association of heme levels at admission and on day 4 + with days of ICU stay (Spearman correlation coefficient).