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Table 3 The diagnostic value of preoperative HB for PMSA

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

Variables Youden's index Preoperative Maximize
Cutoff AUC Sensitivity (%) Specificity (%)
Male 0.544 138.5 (g/L) 0.796/0.781 79.4 75.0
Female 0.552 131.5 (g/L) 0.825/0.808 74.7 80.5
  1. HB, hemoglobin; PMSA, postoperative moderate or severe anemia; AUC, Area under the receiver operating characteristics curve