Table 1 Annual mean temperature correlated with malaria cases in 1800–1870.
From: Endemic malaria: an 'indoor' disease in northern Europe. Historical data analysed
Year correlated with malaria cases in 1800–1870 | Source of temperature series | |||
|---|---|---|---|---|
Helsinki 1830–1870 41 years | Tornedalen 1818–1870 53 years | Stockholm 1800–1870 71 years | St. Petersburg 1806–1870 65 years | |
malaria year-1 | 0.1364 | 0.1133 | 0.1238 | 0.0958 |
malaria year | 0.0996 | -0.1177 | -0.0822 | -0.1164 |