PMID: 7034148Jan 1, 1980Paper

Precision requirements in a study of computer-aided diagnosis of jaundice (the COMIK study)

Scandinavian Journal of Clinical and Laboratory Investigation. Supplementum
J HildenS Bryant

Abstract

Some 700 icteric patients have now been investigated by the Copenhagen study group for computer-aided differential diagnosis of jaundice (the COMIK study). The paper presents experience based on preliminary test runs using selected subsets of the data. In particular, the effect of the number of intervals into which quantitative laboratory variables are grouped has been stuied. Computer performance depends little on such grouping and, by inference, on analytical imprecision. As the grouping becomes finer, performance is even seen to deteriorate. These findings are in accord with theory and experience from other areas of pattern recognition, the problem being one of sample size. It is concluded that we are in a paradoxical situation of knowing from studies of single analytes that precision matters; yet when it comes to assembling information about a patients's condition we cannot make effective use of the precision of today's laboratories. This would seem to hold good whether data are processed by a computer, by physician, or by the two in collaboration.

References

Oct 5, 1978·Computers and Biomedical Research, an International Journal·D G Fryback
Jan 1, 1978·International Journal of Psychiatry in Medicine·M Sasser, J D Kinzie
Jan 1, 1980·Scandinavian Journal of Clinical and Laboratory Investigation. Supplementum·P Winkel
Jan 1, 1980·Scandinavian Journal of Clinical and Laboratory Investigation. Supplementum·J Hilden

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Citations

Aug 1, 1996·Clinical Biochemistry·J T Hindmarsh, A W Lyon
Jul 1, 1989·International Journal of Bio-medical Computing·T Chard, E M Rubenstein
Apr 1, 1993·Medical Informatics = Médecine Et Informatique·E KrusinskaL Franzén
Jan 1, 1980·Scandinavian Journal of Clinical and Laboratory Investigation. Supplementum·H E Solberg
Aug 12, 1999·Pediatric and Developmental Pathology : the Official Journal of the Society for Pediatric Pathology and the Paediatric Pathology Society·T J PysherL H Shields

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