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Table 3 The results of univariate and multivariate analyses in propensity score matched cohort

From: Anemia and perioperative mortality in non-cardiac surgery patients: a secondary analysis based on a single-center retrospective study

ANEMIA
CATEGORY
model i*ModEL iI*ModEL iIi*
Postop- transfusion
 None or mildRefRefRef
 Moderate or severe8.566 (6.571, 11.17) <0.0017.456 (5.397, 10.30) <0.0015.608 (4.026, 7.811) <0.001
ICUADMGT24H
 None or mildRefRefRef
 Moderate or severe0.923 (0.784, 1.087) 0.3370.964 (0.759, 1.224) 0.7630.810 (0.628, 1.044) 0.104
THIRTY-DAY MORTALITY
 None or mildRefRefRef
 Moderate or severe1.936 (1.530, 2.449) <0.0011.996 (1.413, 2.819) <0.0011.510 (1.049, 2.174) 0.027
  1. The results were expressed as odds ratio (95%confidence interval) P-value
  2. MODEL I* ( The propensity score-based patient-matching model): we adjusted for propensity score
  3. MODEL II* (The propensity score-based IPW model):we did not adjust any covariates with the propensity score-based IPW
  4. MODEL III*(The doubly robust estimation model): we adjusted for DM, RDW,the RCRI score, the ASA status, with the propensity score-based IPW