TY - JOUR T1 - Alternative forms of penile foreskin cutting and HIV infection in Papua New Guinea JF - Sexually Transmitted Infections JO - Sex Transm Infect SP - 193 LP - 193 DO - 10.1136/sextrans-2015-052317 VL - 92 IS - 3 AU - Kathleen E Wirth Y1 - 2016/05/01 UR - http://sti.bmj.com/content/92/3/193.abstract N2 - I read with concern the manuscript by MacLaren et al1 which states: “Alternative forms of penile foreskin cutting may be associated with reduced HIV infection risk in Papua New Guinea.” Using data described in the manuscript, I was able to exactly replicate the authors’ primary numerical finding. However, the results of additional analyses not reported in the manuscript directly conflict with the key message regarding a … ER -