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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.