Skip to main content

Advertisement

Springer Nature is making SARS-CoV-2 and COVID-19 research free. View research | View latest news | Sign up for updates

Table 1 Mean values (with 95% confidence intervals) for FENO stratified by sex, smoking, atopy, rhinitis current wheeze and asthma. * not all Study members underwent skin testing

From: Factors affecting exhaled nitric oxide measurements: the effect of sex

All All subjects, n = 895
13.4 (12.9, 14.1)
Gender Male, n = 471
15.3 (14.3,16.3)
Female, n = 424
11.6 (11.0, 12.4)
Smoking Current smoker (smoked on the day of testing) Current smoker (not smoked on the day of testing) Ex-smoker or non-smoker Current smoker (smoked on the day of testing) Current smoker (not smoked on the day of testing) Ex-smoker or non smoker
  n = 133
8.8
(7.9, 9.7)
n = 102
16.6
(14.7, 18.9)
n = 236
20.2
(18.6, 21.9)
n = 102
7.4
(6.7, 8.2)
n = 58
12.3
(10.2, 14.7)
n = 264
13.7
(12.8, 14.7)
Atopy Yes No Yes No Yes No Yes No Yes No Yes No
  n = 68
9.9
(8.6,11.5)
n = 62
7.6
(6.7, 8.7)
n = 61
19.8
(16.6, 23.6)
n = 41
12.9
(11.1, 14.9)
n = 141
24.8
(22.2, 27.7)
n = 92
14.9
(13.6, 16.3
n = 32
9.5
(7.8, 11.5)
n = 69
6.7
(5.9, 7.5)
n = 35
14.0
(10.6, 18.5)
n = 23
10.0
(8.2, 12.2)
n = 149
15.9
(14.4, 17.6)
n 114
11.2
(10.3, 12.2)
Rhinitis Yes No Yes No Yes No Yes No Yes No Yes No
  n = 50
9.2
(8.0, 10.7)
n = 83
8.5
(7.4, 9.7)
n = 30
21.0
(16.0, 27.5)
n = 72
15.1
(13.2, 17.4)
n = 97
24.0
(21.2, 27.2)
n = 139
17.9
(16.1, 19.9)
n = 33
9.0
(7.5,10.9)
n = 69
6.8
(6.0, 7.7)
n = 23
13.4
(10.1, 17.8)
n = 35
11.6
(9.0, 14.9)
n = 116
16.1
(14.3, 18.0)
n = 148
12.1
(11.1, 13.1)
Current wheeze Yes No Yes No Yes No Yes No Yes No Yes No
All n = 49
8.4
(6.9, 10.2)
n = 84
9.0
(8.0, 10.0)
n = 35
17.7
(13.4, 23.3)
n = 67
16.1
(14.1, 18.5)
n = 53
28.4
(23.0, 34.9)
n = 183
18.3
(16.9, 19.9)
n = 41
7.6
(6.4, 9.1)
n = 61
7.3
(6.4, 8.4)
n = 18
15.2
(9.4, 24.3)
n = 40
11.1
(9.3, 13.3)
n = 57
16.8
(14.2, 19.8)
n = 207
12.9
(12.0, 13.9)
Taking ICS n = 8
8.0
(4.1, 15.6)
Nil n = 5
24.0
(12.7, 45.5)
n = 1
72.9
n = 17
27.5
(19.6, 38.7)
n = 2
28.5
(NA)
n = 3
8.8
(2.0, 40.0)
n = 4
9.4
(1.9, 45.2)
n = 3
32.4
(9.3, 112.0)
Nil n = 13
17.3
(13.1, 22.8)
n = 3
17.8
(3.3, 96.9)
Not taking ICS n = 41
8.5
(6.9, 10.4)
n = 84
9.0
(8.0, 10.0)
n = 30
12.3
(16.8, 22.9)
n = 66
15.8
(13.8, 17.9)
n = 36
28.8
(21.9, 37.8)
n = 181
18.2
(16.8, 19.8)
n = 38
7.5
(6.2, 9.1)
n = 57
7.2
(6.4, 8.2)
n = 15
13.0
(7.7, 22.1)
n = 40
11.1
(9.3, 13.1)
n = 44
16.7
(13.6, 20.5)
n = 204
12.9
(11.9, 13.9)
Current asthma Yes No Yes No Yes No Yes No Yes No Yes No
All n = 21
9.8
(6.9, 14.0)
n = 112
8.6
(7.7, 9.5)
n = 27
21.7
(16.5, 28.5)
n = 75
15.1
(13.2, 17.4)
n = 39
29.7
(23.7, 37.2)
n = 197
18.7
(17.2, 20.4)
n = 18
9.5
(6.5, 13.9)
n = 84
7.0
(6.4,7.8)
n = 10
28.0
(14.7, 53.3)
n = 48
10.3
(8.9, 12.0)
n = 41
15.7
(12.7, 19.5)
n = 223
13.3
(12.4, 14.3)
Taking ICS n = 8
8.0
(4.1, 15.6)
Nil n = 6
28.9
(14.7, 57.0)
Nil n = 18
26.5
(19.1, 36.8)
n = 1
58.3
n = 5
11.0
(3.8, 32.2)
n = 2
5.7
(0.5, 72.1)
n = 3
32.4
(9.3, 112.0)
Nil n = 14
18.3
(13.8, 24.3)
n = 2
12.0
(3.1, 47.4)
Not taking ICS n = 13
11.2
(7.1, 17.8)
n = 112
8.6
(7.7, 9.5)
n = 21
20.0
(14.6, 27.4)
n = 75
15.1
(13.2, 17.4)
n = 21
32.7
(23.5, 45.6)
n = 196
18.6
(17.1, 20.2)
n = 13
9.0
(5.8, 14.2)
n = 82
7.1
(6.4, 7.8)
n = 7
26.4
(9.9, 69.9)
n = 48
10.3
(8.9, 12.0)
n = 27
14.6
(10.8, 19.5)
n = 221
13.3
(12.4, 14.4)