abpain {nonbinROC}R Documentation

Paediatric abdominal pain study

Description

A data frame giving a series of confidence scores for the pre-imaging and post-imaging diagnoses of 60 patients suffering from acute abdominal pain.

Usage

data(abpain)

Format

This data frame contains the following 7 variables:

Group
gold standard for diagnosing the patient with acute abdominal pain (1 = surgical abdominal or urogenital condition, 2 = non-surgical abdominal condition and 3 = non-surgical urogenital condition)
Pre1
pre-image confidence score for surgical abdominal or urogenital condition
Pre2
pre-image confidence score for non-surgical abdominal condition
Pre3
pre-image confidence score for non-surgical urogenital condition
Post1
post-image confidence score for surgical abdominal or urogenital condition
Post2
post-image confidence score for non-surgical abdominal condition
Post3
post-image confidence score for non-surgical urogenital condition

Source

Obuchowski, N. A., Goske M. J. and Applegate, K. E. (2001) Assessing physicians' accuracy in diagnosing paediatric patients with acute abdominal pain: measuring accuracy for multiple diseases. Statistics in Medicine, 20, 3261-3278.

References

Obuchowski, N. A. (2005) Estimating and comparing diagnostic tests' accuracy when the gold standard is not binary. Academic Radiology, 12, 1198-1204.


[Package nonbinROC version 1.0.1 Index]