Implementing a hospital based injury surveillance system: a case study in Nigeria.

A pilot study of violent injury surveillance was implemented in two hospitals in Kano, Nigeria, in two phases: a formative evaluation including training and arranging the collection of hospital information, followed by a 6 month prospective data collection. Road traffic injuries constituted about 80 per cent of the cases, gunshot injuries were the commonest in victims of interpersonal violence (IPV). The causes and context of IPV, the relationship of victims and perpetrators, and the place, related activities and anatomical site of injuries from IPV are summarized.