airway {cond} | R Documentation |
Airway Data
Description
The airway
data frame has 35 rows and 6 columns.
Study to compare two devices (tracheal tube and laryngeal mask) used to secure airway in patients undergoing surgery. The response variable is the presence of a sore throat. Further information on age, sex, use of a lubricant, and duration of the surgery is available.
Usage
data(airway)
Format
This data frame contains the following columns:
response
-
an indicator variable for sore throat (1=yes, 0=no);
type
-
the type of airway used (1=tracheal tube, 0=laryngeal mask);
age
-
the age of the patient (in years);
sex
-
an indicator variable for sex (1=male, 0=female);
lubricant
-
an indicator variable for lubricant use (1=yes, 0=no);
duration
-
the duration of the surgery (in minutes).
Source
The data were obtained from
“Binary Data” by D. Collet in Encyclopedia of Biostatistics (1998).
Examples
data(airway)
summary(airway)
par(mfrow=c(1,2))
plot(age ~ response, data = airway)
plot(duration ~ response, data = airway)