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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