What explains 2 different numbers from same blood

[Karen & Charlie]

Did a routine BG test on Charlie. Questioned the first number and immediately did a 2nd test from the same blood (new strip, of course).
Numbers were: 259, then 288 only a second later.
What explains that difference? Just really curious.

 

[jt and trouble (GA)]

Maybe the second test annoyed Charlie? I'd be pissed if someone stuck me twice. Sorry its all I got.

Hold on for more replies.

 

[KyraCat]

Hi Karen.
I believe there is a 20% variance on the meter readers. So it's normal to see two different readings even done straight after one another and from the same blood spot.
You're right to do a double check though if you think the number is too high or too lower as it could be a dodgy strip. But if the numbers are within the realm of 20% then that's pretty much your reading

 

[Karen & Charlie]

Maybe the second test annoyed Charlie? I'd be pissed if someone stuck me twice. Sorry its all I got.

Haha!!! I frequently do have to poke him twice because I still SUCK at this. Thank goodness he's such a chill dude! But, this time it was 1 poke, 2 strips.

 

[Karen & Charlie]

Hi Karen.
I believe there is a 20% variance on the meter readers. So it's normal to see two different readings even done straight after one another and from the same blood spot.
You're right to do a double check though if you think the number is too high or too lower as it could be a dodgy strip. But if the numbers are within the realm of 20% then that's pretty much your reading

Ahhh, thanks!

 

[KyraCat]

No problem.

Also you don't suck!! Looks like you're getting some good tests in - well done!

 

[Karen & Charlie]

No problem.

Also you don't suck!! Looks like you're getting some good tests in - well done!

You're too kind, thank you!