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National Clinical Guideline Centre (UK). Blood Transfusion. London: National Institute for Health and Care Excellence (NICE); 2015 Nov. (NICE Guideline, No. 24.)

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Blood Transfusion.

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Table 34Intra-operative cell salvage plus post-operative cell salvage plus tranexamic acid versus tranexamic acid

OutcomesNo. of Participants
(studies)
Follow up
Quality of the evidence
(GRADE)
Relative effect
(95% CI)
Anticipated absolute effects
Risk with TXARisk difference with intra-operative cell salvage + post-operative cell salvage + TXA (95% CI)
No. exposed to allogeneic blood213
(1 study)
VERY LOWa,b
due to risk of bias, imprecision
RR 1.02
(0.68 to 1.54)
Study population
297 per 10006 more per 1000
(from 95 fewer to 161 more)
Any infection213
(1 study)
VERY LOWa,b
due to risk of bias, imprecision
RR 1.31
(0.41 to 4.15)
Study population
45 per 100014 more per 1000
(from 27 fewer to 142 more)
a

The majority of the evidence is at very high risk of bias.

b

The confidence interval crosses both MIDs.

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