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The Egyptian Journal of Bronchology

Table 2 Impact of bronchodilator in spirometry parameters

From: Airflow limitation: is there a correlation between spirometry and quantitative computed tomography measurements in patients with chronic obstructive pulmonary disease?

Factors

Pre (n = 40)

Post (n = 40)

P$

Mean

SD

Mean

SD

FEV1%

57%

8%

60%

7%

< 0.001

FVC%

92%

8%

92%

10%

0.71

FEV1/FVC

54%

6%

56%

6%

< 0.001

PEF25–75%

38%

14%

40%

12%

0.04

  1. Continues data represented as (mean ± SD)
  2. SD standard deviation, $ paired t test, FEV1 forced expiratory volume in 1 s, FVC forced volume capacity, PEF25–75 peak expiratory flow at 25–75% level
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