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Table 4 Agreement between paired NIOX MINO measurements in the birth cohort participants when FeNO values were categorised as low, normal, intermediate or high.

From: Are exhaled nitric oxide measurements using the portable NIOX MINO repeatable?

 

First FeNO reading

 
 

Low

Normal

Intermediate

High

Total

Second FeNO reading

     

   Low

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

   Normal

0 (0%)

334 (97%)

3 (4%)

0 (0%)

337 (68%)

   Intermediate

0 (0%)

10 (3%))

72 (87%)

1 (2%)

83 (17%)

   High

0 (0%)

0 (0%)

8 (10%)

66 (99%)

74 (15%)

   Total

0 (0%)

344 (100%)

83 (100%)

67 (100%)

494 (100%)

  1. Cohen's Kappa (κ) = 0.907 (p < 0.001)
  2. Figures represent numbers of participants (% by column). Categories are presented in Table 1.