Table 4.

Statistical comparisons between DDE and no-DDE groups regarding parameters related to conditions during the first years of life.

	First Years of Life
	Chickenpox	Otitis	Pharyngitis	Other Conditions
DDE	3 (12.5%)	2 (8.3%)	2 (8.3%)	1 (4.2%)
No-DDE	36 (19.0%)	10 (5.3%)	20 (10.6%)	7 (3.7%)
χ2(1)/U	0.610	0.371	0.116	0.013
p	0.580 *	0.630 *	0.833 *	0.981 *

* Fisher exact test.