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. Author manuscript; available in PMC: 2018 Aug 1.
Published in final edited form as: J Sleep Res. 2017 Nov 6;27(4):e12631. doi: 10.1111/jsr.12631

Table 1.

Women had smaller nasal dimensions, more insomnia and a lower Quality of life.

Baseline Characteristics, Nasal Dimensions, and Sleep Quality
(n=810)
All
n= 810
Female
n (%)
153 (19)
Male
n (%)
657 (81)
p-value for
sex
comparison
Age (year) 54.5 ± 10.6 58.6 ± 9.0 53.6 ± 10.8 <0.001
Current smoker 21% 19% 22% 0.58
Body mass index (kg/m2) 33.5 ± 5.7 34.1 ± 6.3 33.3 ± 5.5 0.19
Weight (kg) 104.3 ± 19.2 93.0 ± 17.2 106.9 ± 18.7 <0.001
Hypertension 57 % 67 % 55 % 0.03
Diabetes 11 % 12 % 11 % 0.70
Coronary heart disease including coronary heart occlusion, heart failure, or/and stroke 18 % 10 % 20 % 0.006
Apnoea-hypopnea index 44.8 ± 20.7 42.2 ± 20.0 45.4 ± 20.8 0.058
Oxygen desaturation index, (4%) 35.5 ± 20.3 32.6 ± 20.5 36.2 ± 20.2 0.008
Nocturnal nasal obstruction ≥ 3× week 35% 37% 35% 0.68
TMCA, (cm2) 1.06 ± 0.31 0.94 ± 0.28 1.08 ± 0.31 <0.001
MCA-min, (cm2) 0.43 ± 0.16 0.40 ± 0.15 0.44 ± 0.17 0.02
TVOL, (cm3) 4.10 ± 0.81 3.48 ± 0.65 4.25 ± 0.77 <0.001
Diff TMCA, (cm2) 0.19 ± 0.21 0.16 ± 0.20 0.20 ± 0.22 0.02
Diff MCA-min, (cm2) 0.10 ± 0.12 0.08 ± 0.11 0.11 ± 0.12 0.03
Diff TVOL, (cm3) 0.21 ± 0.34 0.22 ± 0.31 0.21 ± 0.35 0.30
Nocturnal gastroesophageal reflux ≥ 1× week 14 % 18 % 13 % 0.006
Initial insomnia, ≥ 3× week 16 % 27 % 13 % <0.001
Middle insomnia, ≥ 3× week 58 % 62 % 57 % <0.001
Late insomnia, ≥ 3× week 28 % 33 % 27 % <0.001
Nocturnal sweating ≥ 3× week 31 % 33 % 31 % <0.001
Daytime sleepiness (ESS) 11.7 ± 5.0 11.2 ± 5.2 11.8 ± 5.0 0.23
Mental quality of life (SF-12) 48.3 ±10.9 46.8 ± 11.1 48.6 ± 10.8 0.048
Physical quality of life (SF-12) 40.2 ± 10.9 35.5 ±10.9 41.3 ±10.6 <0.001

ESS: Epworth sleepiness scale

Diff MCA-min: Difference between MCA-min before and after nasal decongestant spray

Diff TMCA: Difference between TMCA before and after nasal decongestant spray

Diff TVOL: Difference between before and after nasal decongestant spray

MCA-min: Minimal cross-sectional area within the smallest nostril of either left or right before decongestant spray

TMCA: Total minimal cross-section area in the nose, left and right nostril combined before nasal decongestant spray

TVOL: Total volume of left and right nasal volume combined before nasal decongestant spray

SF-12: The 12-Item Short Form Health Survey (SF-12) a smaller version of the SF-36v2 Health Survey

Significance in bold.

Numbers given as mean ± SD if not specified and p-values when comparing mean values was calculated with Mann-Whitney U test.

The chi-squared test was used comparisons between nominal data in independent groups (here show in %).