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Table 4 Odds ratio of history of pelvic inflammatory disease on breast cancer

From: Risk of uterine, ovarian and breast cancer following pelvic inflammatory disease: a nationwide population-based retrospective cohort study

 

Breast cancer group

(N = 356)

Control group

(N = 1424)

OR  = 1.12

(95% CI 0.84–1.51)

P = 0.44

PID (%)

69 (19.38)

251 (17.63)

  1. OR odds ratio, CI confidence interval, PID pelvic inflammatory disease