Examples of Control Usage - 2
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 = 11.0 seconds
Bellie Jean Kong = 30.0 seconds
Little Bo Beep = 15.0 seconds
Which results would you report out?
Since the control is within the 12.5 ± 2 seconds all results can be reported.