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Table 2 Quality Assessment Matrix, Quantitative Studies [29]

From: The contribution of online content to the promotion and normalisation of female genital cosmetic surgery: a systematic review of the literature

Study

Howarth, Sommer & Jordan [31]

Liao, Taghinejadi & Creighton [32]

Zwier [30]

Question/objective sufficiently described?

Yes

Yes

Yes

Study design evident and appropriate?

Yes

Yes

Yes

Method of subject/comparison group selection described and appropriate?

Partial

Yes

Partial

Subject (and comparison group) characteristics sufficiently described?

Partial

Yes

Yes

Outcomes well defined and robust to measurement/misclassification bias? Means of assessment reported?

Yes

Yes

Yes

Sample size appropriate?

Partial

Yes

Yes

Analytic methods described/justified and appropriate?

Yes

Yes

Yes

Some estimate of variance is reported for the main results?

Yes

N/A

Yes

Controlled for confounding?

Partial

N/A

Yes

Results reported in sufficient detail?

Yes

Yes

Yes

Conclusions supported by the results?

Yes

Yes

Yes