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Fig. 2 | BMC Anesthesiology

Fig. 2

From: Association between preoperative anemia and postoperative short-term outcomes in patients undergoing colorectal cancer surgery - a propensity score matched retrospective cohort study

Fig. 2

Illustration of Standardized Mean Differences in variables before and after PSM cohorts. ASA American society of anesthesiologists, LMR lymphocyte-to-monocyte ratio, BMI body mass index, PSM, propensity score matching, SMD standardized mean difference. The vertical dashed line in the Fig. 2 indicates the cut-off value of SMD for balance between groups before (black color) and after (red color) propensity score matching, respectively

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BMC Anesthesiology

ISSN: 1471-2253

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