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Table 2 Subgroup analysis of postoperative hemoglobin decline

From: The efficacy of a thrombin-based hemostatic agent in primary total knee arthroplasty: a meta-analysis

Outcome or subgroup

Studies

Effect estimate

  

χ 2

I2 (%)

MD

95% CI

P value

Cemented prosthesis

3

10.31

81

−0.62

[−1.22,−0.03]

0.006

Total dose = 10 ml

3

3.03

34

−0.52

[−0.77,−0.26]

0.22

Duration of drainage

3

3.03

34

−0.52

[−0.77,−0.26]

0.22