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Table 2 FENO (median [percentile 25, percentile 75] in ppb and as % predicted) in reactors and non-reactors stratified by sex and smoking status

From: Exhaled nitric oxide and airway hyperresponsiveness in workers: a preliminary study in lifeguards

  

MBC -

 

MBC+

  

FENO

 

FENO

 

n

ppb

n

ppb

  

(%pred)

 

(%pred)

All

24

12.5 [8.2, 17.3]

15

18.9 [11.9, 36.3]

  

(73.5 [44.2, 96.5])

 

(90.1 [59.6, 219.9])

Males

18

13.7 [8.7, 19.2]

11

22.4 [15.4, 36.3]

  

(73.5 [44.3, 99.0])

 

(118.2 [77.7, 219.9])

Smokers

6

9.8 [7.3, 14.8]

3

17.1 [7.6, 30.1]

  

(64.5 (44.0,103.7])

 

(131.8 [55.5, 219.9])

Non-smokers

12*

14.8 [9.9, 19.8]

8**

26.1 [17.1, 45.9]

  

(78.0 [48.6, 96.5))

 

(104.2 [78.4, 199.7])

Females

6

9.6 [7.1, 13.8]

4

11.5 [10.8, 37.2]

  

(71.3 [39.9, 93.6])

 

(65.6 [54.8, 177.5])

Smokers

3

13.8 [10.1, 24.5]

11.1

  

(93.6 [88.8,196.8])

 

(71.5)

Non-smokers

3

7.1 [4.8, 9.1]

3°°

11.9 [10.5, 62.5]

  

(39.9 [25.1, 53.7])

 

(59.6 [49.9, 283.6])

  1. * one with a history of allergies FENO = 7.6 ppb (24.9% pred)
  2. ** one with a history of allergies FENO = 36.3 ppb (118.2% pred)
  3. ° one with a history of allergies
  4. °° two with a history of allergies FENO = 10.5 ppb (49.9% pred) and 62.5 (283.6% pred)