Table 1 Univariable and multivariable measures of pre-operative factors associated with post-operative olfactory outcome.

From: Longer latency of sensory response to intravenous odor injection predicts olfactory neural disorder

Variable

N = 253

Mean (pre)

Mean (post)

Univariable OR (95% CI)

p-value

Multivariable OR (95% CI)

p-value

age (years)

 

45.4 ± 13.89

 

1.01 (0.99–1.03)

0.26

  

sex

male 179 (71%)

  

0.85 (0.49–1.49)

0.58

  

female 74 (29%)

primary or revision

primary 198 (78%)

  

0.95 (0.52–1.76)

0.88

  

revision 55 (22%)

CRS with/without polyp

with polyp 186 (74%)

  

1.22 (0.7–2.15)

0.49

  

without polyp 67 (26%)

Likart scale score (sense of smell)

 

3.8 ± 1.9

1.4 ± 1.5

    

Likart scale score (nasal discharge)

 

2.8 ± 1.7

0.8 ± 1.1

0.99 (0.87–1.14)

0.92

  

Likart scale score (nasal obstruction)

 

3.8 ± 1.6

0.7 ± 0.9

0.98 (0.85–1.12)

0.78

  

IVO (relative onset latency)

 

1.8 ± 0.8

 

2.34 (1.53–3.56)

0.0001

2.22 (1.43–3.44)

0.0004

IVO (relative duration)

 

0.9 ± 0.2

 

0.69 (0.2–2.3)

0.55

  

T & T olfactometry score (detection)

 

3.5 ± 1.9

 

1.11 (0.97–1.26)

0.14

1.1 (0.83–1.44)

0.53

T & T olfactometry score (recognition)

 

4.1 ± 1.5

 

1.11 (0.94–1.31)

0.2

0.94 (0.66–1.34)

0.74

CT score (total)

 

10.2 ± 5.5

 

1.01 (0.96–1.05)

0.83

  

 maxillary sinus

2.0 ± 0.9

1.05 (0.79–1.41)

0.73

 anterior ethmoidal sinus

2.3 ± 1.0

0.95 (0.75–1.22)

0.7

 posterior ethmoidal sinus

1.9 ± 1.1

1.11 (0.89–1.39)

0.37

 sphenoid sinus

1.1 ± 1.3

1.13 (0.93–1.38)

0.23

 frontal sinus

1.7 ± 1.4

0.97 (0.81–1.17)

0.78

 ostiomeatal complex

1.1 ± 1.6

0.95 (0.82–1.2)

0.56

IgE

 

246.7 ± 437.8

 

1.0 (0.99–1.0)

0.91

  

% eosinophils

 

6.2 ± 4.7

 

1.02 (0.96–1.07)

0.56

  

number of eosinophils (/μL)

 

371.0 ± 325.8

 

1.0 (0.99–1.0)

0.61

  

allergic rhinitis

yes 121 (48%)

  

1.05 (0.63–1.74)

0.85

  

no 132 (52%)

asthma

yes 41 (16%)

  

1.29 (0.64–2.6)

0.48

  

no 212 (84%)

diabetes mellitus

yes 14 (6%)

  

0.85 (0.29–2.53)

0.77

  

no 239 (94%)

smoking

current smoke 61 (24%)

  

0.94 (0.52–1.68)

0.82

  

non-smoker 192 (76%)

brinkman index

449.5 ± 505.1

 

1.0 (1.0–1.001)

0.2

1.0 (1.0–1.001)

0.48