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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