Tools, Technologies and Training for Healthcare Laboratories

OPSpecs Chart N=3 90% AQA

A Normalized OPSpecs chart for QC procedures for Ns of 3, with 90% AQA.

Directions: Plot your normalized OPSpecs Chart operating point. If there are lines in the chart that lie above your operating point, they assure you the %AQA (error detection) listed in the title.

Normalized OPSpecs Chart, N=3 90% AQA

Use the Normalized OPSpecs Calculator provided to calculate your normalized operating point.

If this chart does not provide you with a useful QC procedure,
try the Normalized OPSpecs Chart for 90% error detection with N's of 6