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).