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Table 1 eCO values (ppm) provided by B&K and PiCO+ in the healthy volunteers enrolled in this study

From: Normal values of exhaled carbon monoxide in healthy subjects: comparison between two methods of assessment

 

Smokers

Non-smokers

 

Males

Females

Total

Males

Females

Total

 

N = 8

N = 11

N = 19

N = 7

N = 8

N = 15

B&K

21. 8

16. 3

18. 3

11. 2

10. 4

10. 9

(31.71)

(28.35)

(28.35)

(2.15)

(4.16)

(5.17)

PiCO+

23. 8

15. 9

19. 2

4.3

3.2

3.7

 

(13.27)

(12.94)

(13.54)

(4.5)

(3.4)

(3.4)

  1. Values are stratified by gender and smoking habits and reported as medians (ranges: max-min values).