M I N I - C U B E – U S E R M A N U A L
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to print the QC list or filter it by bar code or date. Click and hold down a
control string to enter the record displaying details (name, lot, expiry, expected
results ranges). From this record, or the main list, press on the Chart icon
view the QC data in a Levey-Jennings chart (Fig. 5.1).
Fig. 5.1
This screen displays the QC information including the number of measurements
performed, the average, standard deviation and the CV%. The Levey-Jennings
chart displays the control data points on the x-axis, and the mean and standard
deviations (+/- 1SD, +/- 2SD) are shown on the y-axis.
WESTGARD statistical rules are commonly used by laboratories to evaluate their
data set and identify systematic and random errors that might lead to a failure to
comply
with
established
objectives
of
accuracy
and
precision.
