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Table 4 Iron metabolism variables of Group I

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

   Baseline (1) Preoperative (2) Postoperative 1 day (3) Postoperative 1 week (4) p-valuea
Ferritin (μg/L) Mean ± SD 41.39 ± 24.44 866.73 ± 327.27 890.56 ± 328.14 739.63 ± 366.24 < 0.001
Post-hocp-value 1vs2, < 0.001 1vs. 3, < 0.001 1 vs. 4, < 0.001 vs. 3, 1.000  
2v4, 0.192 vs. 4, 0.080    
Serum iron (g/dL) Mean ± SD 39.59 ± 18.08 68.38 ± 25.90 71.22 ± 32.24 48.91 ± 11.08 < 0.001
Post-hocp-value 1 vs. 2, < 0.001 vs. 3, < 0.001 1 vs. 4, 0.013 vs. 3, 1.000  
vs. 4, < 0.001 vs. 4, < 0.001    
TSAT (%) Mean ± SD 11.87 ± 4.09 25.46 ± 9.03 26.19 ± 10.30 24.80 ± 8.46 < 0.001
Post-hocp-value vs. 2, < 0.001 vs. 3, < 0.001 vs. 4, < 0.001 vs. 3, 1.000  
vs. 4, 1.000 vs. 4, 1.000    
  1. TSAT, transferrin saturation; SD, standard deviation
  2. aComparison between two groups using the Repeated-measures analysis of variance test