R: Cystic fibrosis lung function data

cystfibr {ISwR} | R Documentation

## Cystic fibrosis lung function data

### Description

The `cystfibr` data frame has 25 rows and 10 columns. It contains lung function data for cystic fibrosis patients (7–23 years old).

### Usage

    cystfibr

### Format

This data frame contains the following columns:

`age`

  a numeric vector, age in years.

`sex`

  a numeric vector code, 0: male, 1:female.

`height`

  a numeric vector, height (cm).

`weight`

  a numeric vector, weight (kg).

`bmp`

  a numeric vector, body mass (% of normal).

`fev1`

  a numeric vector, forced expiratory volume.

`rv`

  a numeric vector, residual volume.

`frc`

  a numeric vector, functional residual capacity.

`tlc`

  a numeric vector, total lung capacity.

`pemax`

  a numeric vector, maximum expiratory pressure.

### Source

D.G. Altman (1991), Practical Statistics for Medical Research, Table 12.11, Chapman & Hall.

### References

O'Neill et al. (1983), The effects of chronic hyperinflation, nutritional status, and posture on respiratory muscle strength in cystic fibrosis, Am. Rev. Respir. Dis., 128:1051–1054.

[Package ISwR version 2.0-7 Index]