Patent ID: 7050933
Filing Date: 2006-05-23
Classification: G01N,G06Q,G16H,Y10T

Abstract:
1. A computer-implemented method of processing patient data for use in a patient-based biometric quality control process, comprising: acquiring patient data from one or more laboratory instruments for a specific analyte, said patient data including a plurality of weeks worth of data; determining an optimal percentage of the patient data to truncate for the analyte; determining high and low truncation limits based on the patient data and the optimal percentage; and determining the mean and standard deviation of the patient data between the high and low truncation limits for each hour of the week represented by the patient data, wherein determining truncation limits includes: initially setting a high truncation limit (thi) to the highest value of the patient data, and a low truncation limit (tlo) to the lowest value of the patient data; and determining the optimal pair of tlo and thi that minimizes the difference between the optimal percentage and the percentage of patient data outside the thi-tlo pair by repeatedly: calculating the percentage of patient data outside the high and low truncation limits; re-setting the thi to the next highest value of the patient data, and re-setting the tlo to the next lowest value of the patient data.