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Table 4 The differences in the SNOT-22 score at 6 months period in relation to various risk factors

From: Pattern of symptom improvement following endoscopic sinus surgery for chronic rhinosinusitis

Predictive factors

6 months post EES

SNOT-22 score

Mean

SD

t

df

p value

Age (years)

0.39*

4.63

0.816

 < 19

23.6

33.75

   

 20–29

26.15

20.80

   

 30–39

18.53

15.99

   

 40–49

18.86

23.44

   

 ≥ 50

23.25

18.98

   

Sex

− 1.23

66

0.889

 Male

19.35

3.38

   

 Female

25.56

3.74

   

Asthma

− 0.91

66

0.366

 Without

20.96

2.74

   

 With

26.50

6.09

   

Smoking

− 1.07

66

0.288

 Without

21.2

2.67

   

 With

29.56

7.61

   

Previous sinus surgery

− 0.18

66

0.854

 Without

21.69

3.46

   

 With

22.62

3.67

   

Allergies

− 2.16

66

0.035

 Without

16.23

3.42

   

 With

26.88

3.46

   

Polyps

 Without

23.47

2.96

− 0.79

66

0.433

 With

19.10

4.83

   

Culture positive

− 0.80

66

0.496

 Positive

18.56

5.42

   

 Negative

23.30

2.85

   

Medical comorbidities

− 0.29

66

0.77

 Without

21.71

2.91

   

 With

23.33

5.06

   
  1. (t) = t-test statistics, (df) = degree of freedom, (p) = p-value of t test