Appendix S1. Number of true and false, positive and negative punch biopsy results and sensitivity and specificity of punch biopsies defined at cut-off cervical intra-epithelial neoplasia (CIN) 1+ for an outcome of CIN2+ (A); at cut-off CIN1+ for an outcome of CIN3+ (B); at cut-off CIN2+ for an outcome of CIN2+ (C); and at cut-off CIN2+ for an outcome of CIN3+ (D).

Figure S1. Diagram of the PRISMA flow chart demonstrating studies included and excluded from the systematic review.

Table S1. Characteristics of studies included in the meta-analysis.

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