Contents
Executive summary 4
Introduction 6
Aim 7
Methods 7
Questionnaire development 7
Sampling and recruitment 8
Data handling and statistical analysis 8
Results 9
Survey response 9
Use of dual NAATs on NCSP samples 10
Patient information and consent 12
Clinical care pathways 13
Gonorrhoea data collection and reporting 14
Costs of using dual NAATs 14
Discussion 15
Limitations 15
Use of dual NAATs in settings where gonorrhoea prevalence is low 16
References 18
Appendix 1. dual testing survey 19
Appendix 2. additional data table 31
Table 1. Comparison of area-level characteristics between LAs responding and not responding to the web survey 10
Table 2. Comparison of area-level characteristics between LAs reporting current commissioning of dual NAATs and those not 12
Table 3. Modelling the effect of prevalence on PPV and the number of false positives using a gonorrhoea test with 99% sensitivity and specificity 16
Figure 1. Survey response showing the proportion of LAs responding in each PHE centre area 9
Figure 2. Proportion of LAs using dual NAATs on NCSP samples, by PHE centre area 11