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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