Surgery – Diagnostic testing
Patent
1997-07-03
1999-08-24
Lacyk, John P.
Surgery
Diagnostic testing
A61B 504
Patent
active
059418206
ABSTRACT:
The invention is a method of measuring patient data, determining statistics from the data; determining measures of variation within the data, determining from the measures of variation a measure of homeostasis, modifying control chart limits based on the determined measure of homeostasis and displaying the statistic on the modified control chart. In addition, the control charts are modified as data varies over time in statistically significant groups as determined by the user and the modification of the limits is repeated so that the patient's real time change in condition is constantly reflected in modified control charts. Records of the changes in the chart limits and data are maintained for consistency. Patient specific data received from a monitor are thereby modified to reflect the level of consistency in data received. The date include specific biological rhythms such as: pulse, oxygen content in the blood, blood pressure, and other bodily functions capable of being monitored. By determining the amount of consistency (or similarity) within consecutive subgroups of data (auto correlation or serial correlation) significant changes in the body may be identified relative to the time when consistency changes. The data are coordinated by time and subgroup number. The results are applied to control chart data (1) to obtain statistical results comparable to statistically independent control chart data, (2) to correct limits for control chart data, (3) to correct the plotting of data for control charts and (4) to determine when the prior three actions should be taken and for treating and diagnosing patients.
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Gilbert Samuel
Lacyk John P.
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