Sample size estimation in studies monitoring exercise-induced bronchoconstriction in asthmatic children

Thorax

Volumn 52, Issue 8, 1997, Pages 739-741

  Hofstra, W B ^a   Sont, J K ^b   Sterk, P J ^b   Neijens, H J ^c   Kuethe, M C ^d   Duiverman, E J ^a  

^a JULIANA CHILDREN S HOSPITAL   (Netherlands)

^b LEIDEN UNIVERSITY MEDICAL CENTER   (Netherlands)

^c SOPHIA CHILDREN S HOSPITAL   (Netherlands)

^d Hospital Zoetermeer   (Netherlands)

Author keywords

Childhood asthma; Exercise induced asthma; Reproducibility

Indexed keywords

AREA UNDER THE CURVE; ARTICLE; ASTHMA; BRONCHOSPASM; CHILD; CLINICAL ARTICLE; CLINICAL PRACTICE; EXERCISE TEST; HEART RATE; HUMAN; PREDICTION; PRIORITY JOURNAL;

EID: 0030869714     PISSN: 00406376     EISSN: None     Source Type: Journal    
DOI: 10.1136/thx.52.8.739     Document Type: Article

References (10)

1. Cockcroft DW. Nonallergic airway hyperresponsiveness. J Allergy Clin Immunol 1988;81:111-9.
2. The British Thoracic Society, the British Paediatric Association, the Research Unit of the Royal College of Physicians of London, the King's Fund Centre, the National Asthma Campaign, the Royal College of General Practitioners, et al. Guidelines on the management of asthma. Thorax 1993;48:S1-24.
3. Sterk PJ, Fabbri LM, Quanjer PhH, Cockcroft DW, O'Byrne PM, Anderson SD, et al. Airway responsiveness. Standardized challenge testing with pharmacological, physical and sensitizing stimuli in adults. Eur Respir J 1993;6(Suppl 16):53-83.
4. Eggleston PA, Guerrant JL. A standardized method of evaluating exercise-induced asthma. J Allergy Clin Immunol 1976;58:414-25.
5. Henriksen JM. Reproducibility of exercise-induced asthma in children. Allergy 1986;41:225-31.
6. Inman MD, Watson R, Wooley KL, Manning PJ, O'Byrne PM. Reproducibility of bronchoconstriction following dry air exercise challenge. Am J Respir Crit Care Med 1994; 149:A1048.
7. Haby MM, Peat JK, Mellis CM, Anderson SD, Woolcock AJ. An exercise challenge for epidemiological studies of childhood asthma: validity and repeatability. Eur Respir J 1995;8:729-36.
8. Snedecor GW, Cochran WG. Statistical methods. 7th ed. Ames: Iowa State University Press, 1980: 2825.
9. Thomson NC, Roberts RS. Measurement of effect of drugs on airway responsiveness. In: Airway responsiveness: measurement and interpretation. Mississauga: Astra Pharmaceuticals, 1985:105-18.
10. Chinn S. Statistics in respiratory medicine. Scale, parametric methods, and transformations. Thorax 1991;46:536-8.