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Table 2 The results of univariate and multivariate analyses before propensity score matching

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 mild

Ref

Ref

Ref

 Moderate or severe

79.01 (62.936, 99.194) <0.001

76.924 (61.075, 96.885) <0.001

7.187 (5.557, 9.296) <0.001

ICUADMGT24H

 None or mild

Ref

Ref

Ref

 Moderate or severe

3.953 (3.512, 4.449) <0.001

3.560 (3.146, 4.028) <0.001

0.848 (0.714, 1.008) 0.061

THIRTY-DAY MORTALITY

 None or mild

Ref

Ref

Ref

 Moderate or severe

11.011 (9.238, 13.126) <0.001

8.395 (6.989, 10.084) <0.001

1.917 (1.531, 2.400) <0.001

  1. The results were expressed as odds ratio (95%confidence interval) P-value
  2. MODEL I (Non-adjusted model): we did not adjust any covariate
  3. MODEL II (Minimally-adjusted model): we only adjusted age, gender and race
  4. MODEL III (Fully-adjusted model): we adjusted age, sex, race, preoperative eGFR, presence of CVA,DM, IHD, CHF, RDW, priority of surgery, anesthesia type, surgical risk, preoperative blood transfusion with in 30days, intraoperative blood transfusion data, the RCRI score,the ASA status.