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Table 3 Odds ratio of history of pelvic inflammatory disease on ovarian cancer

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

 

Ovarian cancer group

(N = 55)

Control group

(N = 220)

OR = 1.40

(95 % CI 0.72–2.70)

P = 0.32

PID (%)

16 (29.09)

50 (22.73)

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