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Table 3 Comparison of perioperative changes in mean hemoglobin levels (g/dL) between Groups I and C

From: Effects of intravenous iron monotherapy for patients with iron deficient anemia undergoing total knee arthroplasty

  Group Baseline Preoperative Postoperative
 day 1
Postoperative
day 3
Postoperative
1 week
Crude Group I 11.41 ± 1.12 12.14 ± 1.15 11.32 ± 0.92 10.42 ± 0.96 9.06 ± 0.84
Group C 11.46 ± 1.00 10.59 ± 1.15 9.81 ± 1.04 8.88 ± 0.91
p-valuea 0.750 0.001b < 0.001 < 0.001 0.272
PS matching Group I 11.41 ± 1.12 12.14 ± 1.15 11.32 ± 0.92 10.42 ± 0.96 9.06 ± 0.84
Group C 11.40 ± 0.93 10.40 ± 1.10 9.85 ± 1.13 8.85 ± 0.77
p-valuea 0.951 0.001b < 0.001 0.012 0.241
  1. PS propensity score
  2. aComparison between two groups using student’s t test
  3. bComparison between baseline and preoperative hemoglobin levels of Group I using paired t-test