Reply: The impact of an inappropriate non-inferiority margin in a non-inferiority trial

Affiliations

• ¹ Department of Obstetrics and Gynaecology, Leeuwarden Medical Centre, PO Box 888, 8901 BE Leeuwarden, The Netherlands evagroenewoud@hotmail.com.
• ² Department of General Practice, University of Groningen, University Medical Centre Groningen, PO box 30001, 9700 RB Groningen, The Netherlands.
• ³ Department of Obstetrics and Gynecology, Academic Unit of Human Development and Health, University of Southampton, University Road, Southampton SO17 1BJ, UK.
• ⁴ Department of Obstetrics and Gynaecology, Zealand University Hospital, Sygehusvej 10, 4000 Roskilde, Denmark.
• ⁵ Isala Fertility Centre, Isala, Zwolle, PO box 10400, 8000 GK, Zwolle, The Netherlands.