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Table 2 Results of the test of synchrony for incidence time series and rainfall between 1989 and 1994.

From: Regional-scale climate-variability synchrony of cholera epidemics in West Africa

Periodic Band 1.8–2.5 years 3–4 years 4–5 years
Incidence Entropy = 0.7043
p-value < 0.0001
Entropy = 0.7407
p-value = 0.0004
Entropy = 0.7542
p-value = 0.0360
Rainfall Entropy = 0.7276
p-value < 0.0001
Entropy = 0.7091
p-value = 0.0041
Entropy = 0.6327
p-value = 0.0669
  1. The test was realized in three different periodic bands and based on normalized entropy, 0 for flat distribution and a 1 for unimodal distribution.