cystfibr function

Cystic fibrosis lung function data

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

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.