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Table 2 Categories for minimisation variables

From: The INTERVAL trial to determine whether intervals between blood donations can be safely and acceptably decreased to optimise blood supply: study protocol for a randomised controlled trial

 

Men

Women

Age

<50 years

≥50 years

<50 years

≥50 years

Weight

<70 kg

≥70 kg

<60 kg

≥60 kg

Donor status

New

Repeat

New

Repeat