Systolic: Systolic Blood Pressure Measured by Two Observers and a...

In R4HCR: R for Health Care Research

Systolic Blood Pressure Measured by Two Observers and a Machine.

Description

Systolic blood pressure measurements made simultaneously by two observers (J and R) using a sphygmomanometer and an automatic blood pressure measuring machine (S), each making three observations in quick succession.

Usage

Systolic

Format

A data frame with 85 observations on the following 9 variables.

J1

First (of three) measurements made by observer J.

J2

Second (of three) measurements made by observer J.

J3

Third (of three) measurements made by observer J.

R1

First (of three) measurements made by observer R.

R2

Second (of three) measurements made by observer R.

R3

Third (of three) measurements made by observer R.

S1

First (of three) measurements made using a machine.

S2

Second (of three) measurements made using a machine.

S3

Third (of three) measurements made using a machine.

Source

Data supplied originally by Dr E O'Brien, and reprinted in Altman and Bland (1999).

References

Bland, J.M. and Altman, D.G., 1999. Measuring agreement in method comparison studies. Statistical Methods in Medical Research, 8(2), pp.135-160.

Examples

data(Systolic, package = "R4HCR")

R4HCR documentation built on Sept. 30, 2024, 9:46 a.m.