Table 3 Studies of PCOS and ovarian cancer risk

Harris

2016

Case–control (US)

1513

1.0 (0.60–1.5)

Gottschau

2015

Registry Cohort (Danish)

10

1.8 (0.8–3.2)^a

Shen

2015

Registry Cohort (Taiwan)

11

1.0 (0.2–4.6)^a

Barry^b

2014

Meta-analysis

3363

1.4 (0.9–2.2)^a

Bodmer

2011

Case–control (UK)

1611

1.6 (0.7–4.1)^a

Brinton^c

2010

Cohort (US)

12

1.8 (0.9–3.1)^a

Olsen

2008

Case–control (Australia)

1276

1.1 (0.6–2.0)

Schildkraut

1996

Case–control (US)

476

2.4 (1.0–5.9)^a

Rossing

1994

Cohort (US)

11

2.4 (0.2–22.5)