Model input parameters: costs and utilities
| Costs | SC £ | POCT £ | Notes | Reference |
|---|---|---|---|---|
| Asymptomatic testing* | 79.77 | 75.50 | SC based on current costs, POCT average of two clinic pathways (£77.42 and £73.57) | Adams et al20 |
| Symptomatic testing* | 99.38 | 92.43 | SC based on current costs, POCT average of two clinic pathways (£100.39 and £84.46) | |
| Chlamydia management, primary | 34.89 | 34.89 | Adams et al20 | |
| Chlamydia management, additional | 24.99 | 24.99 | Adams et al20 | |
| Gonorrhoea management, primary | 112.05 | 117.94 | Includes the first treatment (primary) and a test of cure (primary) | Adams et al20 |
| Gonorrhoea management, additional | 101.86 | 107.75 | Includes the first treatment (additional) and a test of cure (primary) | Adams et al20 |
| Gonorrhoea management, second line | 41.07 | 41.07 | Second line treatment is cefixime plus azithromycin | Adams et al20 BASHH2 |
| Treatment for PID | 163.00 | 163.00 | Weighted average of treatment in general practice, GUM and other settings | Aghaizu et al21 |
| Chlamydia/gonorrhoea testing* | 45.34 | 38.76 | Reduced pathway used for partner testing only | Adams et al20 |
| Utilities | ||||
| Pretest status unknown | 1.00 | Assume otherwise healthy population | Assumption | |
| Post-test status unknown | 1.00 | Assume no anxiety while waiting for result | Assumption | |
| Symptomatic | 0.84 | Average for men/women for chlamydia/gonorrhoea | Institute of Medicine22 | |
| Infection positive | 0.85 | Assumed to be slightly decreased due to anxiety from being positive | Assumption | |
| Complications | 0.80 | Mean of values for PID | Smith et al23 | |
| Infection negative | 1.00 | Assume otherwise healthy population | Assumption | |
*All testing pathways include an acquisition cost of test and sample collection kit: standard care costs £12 for the test plus £1.35 for the sample collection kit; POC costs £18 for the test plus £1.71 for the sample collection kit.
GUM, genitourinary medicine; PID, pelvic inflammatory disease; POCT, point of care test; SC, standard care.