Skip to main content

Table 2 Demographic and clinical characteristics of study groups (AR-NAR)

From: Can nasal nitric oxide be a biomarker to differentiate allergic and non-allergic rhinitis?

Variables

AR (n, 337)

NAR (n, 106)

P value

Gender, n (%)

 F

197 (58.5)

80 (75.5)

0.002*

 M

140 (41.5)

26 (24.5)

 

Age, years

25 (20-33)

28 (22-39)

0.004#

BMI (kg/m2)

23.7 ± 4.3

24.1 ± 4.3

0.466

 BMI ≥ 25, n (%)

111 (32.9)

39 (36.8)

0.465*

 BMI < 25, n (%)

226 (67.1)

67 (63.2)

 

Smoker, n (%)

7 (2.1)

3 (2.8)

0.099*

 Non-smoker

283 (84.7)

97 (91.5)

 

 Ex-smoker

44 (13.2)

6 (5.7)

 

 W asthma

48 (14.4)

13 (12.3)

0.789*

TNSS

6.7 ± 2.98

5.3 ± 2.57

< 0.001

Rhinitis duration (year)

5 (2-9)

3 (2-10)

0.037#

Severity of rhinitis, n (%)

 Mild

126 (37.4)

64 (60.4)

< 0.001*

 Moderate-severe

211 (62.6)

42 (39.6)

 

 W sinusitis

146 (43.3)

48 (45.3)

0.723*

Rhinitis characteristic

 Persistent

99 (29.4)

84 (79.2)

< 0.001*

 Intermittent

217 (64.4)

15 (14.2)

 

 Persisten+Intermittent

21 (6.2)

7 (6.6)

Sensitization

 Monosensitization

265 (78.6)

-

 

 Polisensitization

72 (21.4)

-

 
  1. F female, M male, AR allergic rhinitis, NAR non-allergic rhinitis, BMI body mass index, TNSS total nasal symptoms score, W with, *Chi-square test, #Mann-Whitney U test, ± standard deviation, n individual number, P < 0.05 statistical significance