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Table 2 General characteristics of the study population

From: The SNP at −592 of human IL-10 gene is associated with serum IL-10 levels and increased risk for human papillomavirus cervical lesion development

Characteristics SICL cases (204) NCL (166) P value&
Age (y) *
Mean (SD) 36.3 (10.37) 35.8 (11.40) 0.42
Age at first sexual intercourse (y)*
Mean (SD) 18 (3.07) 19.83(3.98) 0.001
Age at menarche (y)*
Mean (SD) 12.79 (1.55) 12.88 (1.42) 0.57
BMI (Kg/m 2 )*
Mean (SD) 26.02 (4.21) 25.14 (4.37) 0.06∞
Socioeconomic Level (%)+
Low 81.86 21.08 0.001
Medium 18.14 78.92  
Parity +
< 3 31 87.3 0.001
>3 69 12.65  
Number of lifetime sexual partners +
<3 88.24 81.93 0.12
4 a 9 9.31 16.27  
>10 2.45 1.81  
History of STD +
No 28.43 52.4 0.001
Other STDs 55.39 36.14  
HPV 16.18 11.45  
Family planning method +
None 12.75 21.69 0.001
Hormonal Methods (6 months-5 years) 41.18 43.37  
Other methods 46.08 34.94  
HPV genotype+ 0.001
Negative 29.9 38.55  
Other genotypes high risk 16.67 22.29  
HPV 18 7.84 21.69  
HPV 16 41.67 14.46  
HPV 16 and 18 3.92 3.01  
  1. SICL: Squamous Intraepithelial Cervical Lesion.
  2. NCL: Non-Cervical Lesion.
  3. The results are expressed as means and SD for continuous variables.
  4. Categorical variables are expressed in percentages.
  5. & P value, Kruskall Wallis continuous variables* and Χ2 categorical variables+.
  6. P < 0.05 NCL versus SICL.
  7. T test for variables with normal distribution.