Fig 1.
An algorithm summarising how malaria cases were identified within THIN database.
THIN: The Health Improvement Network, ACT: Artemesinin-based combination therapy. To minimise the effect of miscoding a diagnosis of malaria for a pre-travel malaria advice consultation, those with a prescription for a travel vaccination issued on the same day as a malaria recording were excluded (S1 Table).
Fig 2.
Number of cases identified in THIN from 2005 to 2016.
THIN: The Health Improvement Network, ACT: Artemesinin-based combination therapy.
Fig 3.
Malaria incidence in THIN, 2005 to 2016.
THIN: The Health Improvement Network, PYAR: Person Years at Risk.
Table 1.
Incidence of malaria recordings in THIN by calendar year, age, sex, region, Townsend score and ethnicity.
Fig 4.
Comparison of the proportion of total malaria cases identified by PHE and THIN from 2005 to 2016.
(A) Per year, and (B) by UK region.
Table 2.
summarising the characteristics, strengths and limitations of using PHE data and primary care EHR (THIN) data.