Fig. 4

Illustration of exemplar appointment types being drawn upon by HSIs at facility level 1a. The HSIs on the right are named in the format of “Disease module_Treatment type”: for example, “HIV_Test” means the health system interaction event of test for HIV. Full details of HSIs can be found in the TLO documentation [24, 37]. The width of each flow is proportional to the number of calls for each Appointment Type in the model