Examples of Control Usage - 1
Manufacturer supplied data:
The manufacturer states that this normal PT control must give a value of 12.5 ± 2 seconds when run on the fibrometer.
The Technologist runs the normal control along with two patient samples on a fibrometer and gets:
 
Normal control = 15.0 seconds
Bellie Jean Kong = 12.0 seconds
Little Bo Beep = 10.0 seconds
Which results would you report out?
Since the control is >14.5 seconds no results can be reported. Must rerun samples and control