Table 3 Origins of ovarian tumor samples studied, with results. All data are from the TCGA database. Note that sample sizes are too small for precise prevalence estimates by province or state. Many of those apparent differences may reflect random sampling error

From: In North America, Some Ovarian Cancers Express the Oncogenes of Preventable Human Papillomavirus HPV-18

Source Institution

Province or State

# of cases

# positive cases

% positive

British Columbia Cancer Agency

British Columbia

11

1

9.1%

Gynecologic Oncology Group

California

24

2

8.3%

Duke University Medical Center

North Carolina

35

2

5.7%

University of Pittsburgh

Pennsylvania

41

0

0.0%

Mayo Clinic - Rochester

Minnesota

42

1

2.4%

Roswell Park Cancer Institute

New York

7

0

0.0%

Fox Chase Cancer Center

Pennsylvania

8

0

0.0%

Washington University School of Medicine

Missouri

90

0

0.0%

MD Anderson Cancer Center

Texas

9

0

0.0%

Harvard Medical School

Massachusetts

10

0

0.0%

Cedars-Sinai Medical Center

California

27

0

0.0%

UC San Francisco

California

22

0

0.0%

Memorial Sloan-Kettering Cancer center

New York

72

0

0.0%

International Genomics Consortium

Arizona

7

0

0.0%

Total

all sites

405

6

1.5%