Table 1 A number of included studies have wide 95% confidence intervals (CI) in the forest plot

From: Comment on “Increased risk of second cancers at sites associated with HPV after a prior HPV-associated malignancy, a systematic review and meta-analysis”

Author

Second primary cancer type

Number of cases

Fisher et al.

Cervical

5

Mitchell et al.

Cervical

6

Neumann et al.

Vulvo-vaginal

8

Anal

5

Oropharynx

2

Hemminki et al.

Cervical

7

Anal

1

Oropharynx

2

Saleem et al.

Anal

5

Frisch et al.

Cervical

2

Vulvo-vaginal

5

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