head.injury {DAAG}R Documentation

Minor Head Injury (Simulated) Data

Description

The head.injury data frame has 3121 rows and 11 columns. The data were simulated according to a simple logistic regression model to match roughly the clinical characteristics of a sample of individuals who suffered minor head injuries.

Usage

head.injury

Format

This data frame contains the following columns:

age.65
age factor (0 = under 65, 1 = over 65).
amnesia.before
amnesia before impact (less than 30 minutes = 0, more than 30 minutes =1).
basal.skull.fracture
(0 = no fracture, 1 = fracture).
GCS.decrease
Glasgow Coma Scale decrease (0 = no deterioration, 1 = deterioration).
GCS.13
initial Glasgow Coma Scale (0 = not `13', 1 = `13').
GCS.15.2hours
Glasgow Coma Scale after 2 hours (0 = not `15', 1 = '15').
high.risk
assessed by clinician as high risk for neurological intervention (0 = not high risk, 1 = high risk).
loss.of.consciousness
(0 = conscious, 1 = loss of consciousness).
open.skull.fracture
(0 = no fracture, 1 = fracture)
vomiting
(0 = no vomiting, 1 = vomiting)
clinically.important.brain.injury
any acute brain finding revealed on CT (0 = not present, 1 = present).

References

Stiell, I.G., Wells, G.A., Vandemheen, K., Clement, C., Lesiuk, H., Laupacis, A., McKnight, R.D., Verbee, R., Brison, R., Cass, D., Eisenhauer, M., Greenberg, G.H., and Worthington, J. (2001) The Canadian CT Head Rule for Patients with Minor Head Injury, The Lancet. 357: 1391-1396.


[Package DAAG version 0.76 Index]