... say "FENO £16 ppb", "8 1% (95% CI 6 4–9 1 )" should say "8 2% (95% CI 7 2– 90 )" and "3 4" should say "6 8" In line 3, "FENO £12 ppb" should say "FENO £16 ppb" and "five" should say "three" In line "1 2 ... £1 6" In the second paragraph, in line 1, "five" should say "three" In line 5, "1 6 patients had FENO £12 ppb" should say "3 7 patients had FENO £ 16 ppb" Also in line 5, "three" should say "two" and ... 6 3–8 9 )" In line 6, "1 6 (15.8% )" should say "3 7 (36.6% )", "FENO £12 ppb" should say "FENO £16 In the Discussion section, in line 4, "8 1 %" should say "8 2 %" and in line 5, "FENO £1 2" should say "FENO...