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Volume 16, Number 3—March 2010


Climate Warming and Tick-borne Encephalitis, Slovakia

Martin Lukan, Eva Bullova, and Branislav Petko
Author affiliations: University of Žilina, Tatranská Javorina, Slovakia (M. Lukan); Slovak Academy of Sciences, Košice, Slovakia (M. Lukan, E. Bullova, B. Petko); Catholic University Ružomberok Faculty of Health, Ružomberok, Slovakia (B. Petko)

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Table 2

Relationship between mean annual air temperature and mean altitude of tick-borne encephalitis cases, Slovakia, 1980–2004*

Temperature lag, y Correlation coefficient p value
Mean (1–3) 0.689† 0.000
0 0.30‡ 0.032
–1 0.466‡ 0.019
–2 0.433‡ 0.031
–3 0.438‡ 0.028

*Nonparametric testing (Spearman rank correlation test).
†Correlation is significant at p<0.01 (2-tailed).
‡Correlation is significant at p<0.05 (2-tailed).

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