Care pathway costs—base case analysis
| Lesion status assessment | Observations* (%) | Pathway cost† Mean (SD) | |
|---|---|---|---|
| Experts (true) | Optometrists' decision | ||
| Reactivated | Reactivated | 795 (39.43) | £935.40 (45.50) |
| Reactivated | Suspicious | 142 (7.04) | £103.61 (18.51) |
| Reactivated | Quiescent | 57 (2.83) | £51.29 (9.08) |
| Suspicious | Reactivated | 10 (0.50) | £118.12 (16.39) |
| Suspicious | Suspicious | 11 (0.55) | £57.04 (9.10) |
| Suspicious | Quiescent | 14 (0.69) | £52.96 (9.37) |
| Quiescent | Reactivated | 105 (5.21) | £117.14 (32.61) |
| Quiescent | Suspicious | 234 (11.61) | £78.31 (11.53) |
| Quiescent | Quiescent | 648 (32.14) | £51.98 (8.23) |
| Experts (true) | Ophthalmologists' decision | ||
| Reactivated | Reactivated | 736 (36.51) | £ 882.67 (46.41) |
| Reactivated | Suspicious | 196 (9.72) | £153.18 (92.25) |
| Reactivated | Quiescent | 62 (3.08) | £77.01 (45.49) |
| Suspicious | Reactivated | 1 (0.05) | £877.38 (N/A) |
| Suspicious | Suspicious | 17 (0.84) | £68.84 (31.00) |
| Suspicious | Quiescent | 17 (0.84) | £60.57 (17.16) |
| Quiescent | Reactivated | 35 (1.73) | £882.29 (38.00) |
| Quiescent | Suspicious | 146 (7.24) | £150.34 (95.19) |
| Quiescent | Quiescent | 806 (39.98) | £75.28 (44.72) |
*The number of observations (ie, vignettes) is 4038, namely 2016 retreatment decisions by optometrists and 2016 retreatment decisions by ophthalmologists.
†Pathway costs include the cost of a monitoring consultation and downstream costs (eg, injections and follow-up visits).