How to calculate the Mean normal partial thromboplastin time ?

Meriem Yasmine Ferhat-hamida @Meriem-Yasmine-Ferhat-Hamida

02 April 2024 0 2K Report

Is it like MNPT (geometrical mean of at least 20 healthy subjects) ? or it's the arythmetical mean ? can a pool of healthy subjects' plasma be considered as the reference APTT for calculating APTT ratio?

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