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Table 3 Percentiles of methacholine slope* among men and women of the reference sample, SAPALDIA cross-sectional study, 1991

From: Reference values for methacholine reactivity (SAPALDIA study)

 

minimum

P5

P10

P25

P50

P75

P90

P95

maximum

men (n = 612)

-2.81

-0.55

-0.25

0.13

0.48

0.98

1.60

2.25

40.5

women (n = 955)

-3.69

-0.13

0.06

0.41

0.90

1.67

3.25

5.72

78.5

entire reference sample (n = 1567)

-3.69

-0.30

-0.07

0.26

0.72

1.41

2.40

4.85

78.5

  1. * final %decrease in FEV1 from baseline divided by highest dose of methacholine administered