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Table 2 Logistic regression models for moderate and severe anemia after primary TKA

From: Association between preoperative hemoglobin and postoperative moderate and severe anemia among patients undergoing primary total knee arthroplasty: a single-center retrospective study

Parameter Odds ratio 95% Confidence interval p
Female 1.931 0.928–4.015 0.078
BMI 1.033 0.967–1.104 0.340
Diagnosis, RA 3.171 0.353–28.456 0.303
Preoperative Hb (g/L) 1.138 1.107–1.170 < 0.001*
Drainage use 1.354 0.734–2.499 0.333
TXA use 0.358 0.085–1.506 0.161
Intraoperative blood loss 1.022 1.010–1.034 < 0.001*
  1. BMI, body mass index; RA, rheumatoid arthritis; Hb, hemoglobin; TXA, Tranexamic acid
  2. p value calculated using multivariate logistic regression
  3. *Significant difference