Table 6.

Correlations between the numbers of indigenous and imported cases of dengue

Correlation
		Number of indigenous cases of dengue fever	Number of imported cases of dengue fever with a concealment period of longer than 3 days	Number of imported cases of dengue fever with a concealment period of longer than 2 days	Number of imported cases of dengue fever with a concealment period of longer than 4 days
Number of indigenous cases of dengue fever	Pearson correlation	1	Significance (two tailed)	0.459**	0.387**
	Significance (two tailed)		0.001	0.0001	0.001

**Correlation is significant on the 0.01 layer (two-tailed)