Table 2

SIR with 95% CI of developing cancer of the vagina and vulva during 1–28 years of follow-up among 36,856 women who were hospitalized between 1965 and 1994 for alcoholism in Sweden

Vulvaa ICD-7 code 176.0Vagina ICD-7 code 176.1
ObservedSIR95% CIObservedSIR95% CI
Total81.00.4–2.0104.62.2–8.5
Age at follow-upb
 <50012.50.1–14.1
 50+81.20.5–2.495.12.3–9.7
  • a Using expected rates specifically for vulva squamous cell carcinoma, the overall SIR was 1.1 (95% CI, 0.5–2.2).

  • b Age at cancer diagnosis.