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Table 1 Demographic characteristics, previous anogenital neoplastic lesions, and history of chronic disease among participating women

From: Investigating a cluster of vulvar cancer in young women: a cross-sectional study of genital human papillomavirus prevalence

Characteristics

N=551

%

Mean age, years (SD)

34.5

10.7

Median BMI, kg/m2 (IQR)

22.8

19.2-26.9

Current smoker

368

66.8

On hormonal contraception

220

39.9

Any previous anogenital dysplastic/neoplastic lesion*

168

30.5

 cervical low grade lesion

142

25.8

 cervical high-grade lesion

75

13.6

 invasive cervical cancer

1

0.2

 vulvar intraepithelial neoplasia

3

0.5

 invasive vulvar cancer

2

0.4

 vaginal intraepithelial neoplasia or invasive vaginal cancer

0

0

 anal intraepithelial neoplasia

0

0

 invasive anal cancer

2

0.4

Vulvectomy

2

0.4

Hysterectomy

19

3.4

Diabetes

54

9.8

Chronic renal disease

38

6.9

Acute rheumatic fever

24

4.4

Asthma

22

4.0

Autoimmune disease

15

2.7

Chronic liver disease

4

0.7

  1. Figures are n, % unless otherwise indicated.
  2. *Histologically confirmed.
  3. SD = standard deviation, IQR = interquartile range, BMI= body mass index.