Ref. 1 - Variability in spirometric indices |
1 |
Becklake MR. Concepts of normality applied to the measurement of lung function. Am J Med 1986; 80: 1158-1164. |
2 |
Becklake MR, Permutt S. Evaluation of tests of lung function for ‘screening’ for early detection of chronic obstructive lung disease. In: PT Macklem & S Permutt (eds), The lung in the transition between health and disease. New York, Dekker, 1979, 345-387. |
|
Ref. 2 - Longitudinal behavior of spirometric indices |
|
Borsboom GJ, van Pelt W, van Houwelingen HC, van Vianen BG, Schouten JP, Quanjer PhH. Diurnal variation in lung function in subgroups from two Dutch populations: consequences for longitudinal analysis. Am J Respir Crit Care Med 1999; 159: 1163-1171. |
|
Ref. 3 - Variability in patients |
1 |
Tweeddale PM, Alexander F, McHardy GJR. Short term variability in FEV1 and bronchodilator responsiveness in patients with obstructive ventilatory defects. Thorax 1987; 42: 487-490 |
2 |
Sourk RL, Nugent KM. Bronchodilator testing: confidence intervals derived from placebo inhalations. Am Rev Respir Dis 1983; 128: 153-157. |
3 |
Rozas CJ, Goldman AL. Daily spirometric variability. Normal subjects and subjects with chronic bronchitis with and without airflow obstruction. Arch Intern Med 1982; 142: 1287-1291. |
|
|