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Table 1 Malaria indicator variables calculated by the EPIDEMIA system

From: Integrating malaria surveillance with climate data for outbreak detection and forecasting: the EPIDEMIA system

Variable name

Equation

Incidence of malaria

(C + U)/P

Incidence of confirmed malaria

C/P

Incidence of P. falciparum malaria

C f /P

Incidence of P. vivax malaria

C v /P

Proportion of patients with malaria

(C + U)/T

Proportion of patients with confirmed malaria

C/T

Proportion of patients with P. falciparum malaria

C f /T

Proportion of patients with P. vivax malaria

C v /T

Confirmed malaria positivity rate

C/D

P. falciparum malaria positivity rate

C f /D

P. vivax malaria positivity rate

C v /D

  1. Summarized for each woreda in each epidemiological week
  2. C confirmed malaria cases, U unconfirmed malaria cases, P total population living in malarious areas, C f confirmed P. falciparum and mixed P. falciparum/P. vivax cases, C v confirmed P. vivax cases, T total number of cases for all causes, including malaria, D total number of diagnostic tests performed