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Table 2 Comparison of the mean Hb between the three study groups at three time-points

From: Comparison of the effect of combined administration of intravenous and intra-articular tranexamic acid versus their administration alone in the management of blood loss in total knee arthroplasty: a prospective, multicenter study in Iran

Time-point

Group

P-value

IV group (n = 108)

IA group (n = 92)

Combined group (n = 86)

Preoperative Hb (mg/dl)

13.21 ± 1.4

13.5 ± 1.5

13.48 ± 1.3

0.89

Hb of 12 h after the surgery(mg/dl)

11.95 ± 1.5

11.84 ± 1.6

12.01 ± 1.5

0.88

Hb of 24 h after the surgery

10.53 ± 1.7

10.49 ± 1.6

10.67 ± 1.4

0.28

Hb of 3 days after surgery (mg/dl)

9.21 ± 1.8

9.58 ± 2.68

11.08 ± 1.28

0.001

Total blood loss (ml)

1611.2 ± 401.1

1601.6 ± 392.2

1256.4 ± 331.1

0.025

  1. Hb Hemoglobin; IV Intravenous; IA Intra-articular
  2. Repeated measures ANOVA test was used to compare the level of variables at different times in three groups
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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