As found at (sorry for the long link - just copy and paste it all and you'll get there
It says the Aviva is "whole blood calibrated", unlike some of the others that say "plasma calibrated" (like the One Touch).
One of the things to note - this information should also be found in the TEST STRIP package information; not the glucose meter's info. It's the test strips that determine which it is.
- Phishbowl (Type 1 since Jan'05 - Levemir, NovoRapid)
"What's Not Measured Is Not Managed"
"It is impossible for a man to learn what he thinks he already knows"-Epictetus