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Table 2 Percentage of Increase for Parameter FEV1 after the Bronchodilator Test with Salbutamol and Ipratropium Bromide and PC20FEV1 after Methacholine Challenge Testing

From: Bronchodilator Response in Patients with Persistent Allergic Asthma Could Not Predict Airway Hyperresponsiveness

 

Salbutamol % of Increase FEV 1

Ipratropium % of Increase FEV 1

PC 20 FEV 1 mg/mL

Mean

18.39

19.14

0.645

SD

6.18

6.74

0.540

Minimum

12.40

12.10

0.026

Maximum

35.60

37.20

1.914

  1. FEV1 = forced expiratory volume in 1 second; PC20FEV1 = provocative concentration of methacholine that results in a 20% fall in FEV1.
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Allergy, Asthma & Clinical Immunology

ISSN: 1710-1492

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