CM, cow’s milk. * Mann-Whitney U test and Fisher’s
exact test (both two-tailed) were used to compare continuous and
categorical data, respectively, between groups. †Missing values: 4. ‡ Missing values: 3.§ Missing values: 2. # Missing
values: 1. ** Missing values: 9. ††Missing values: 13.
Table 3. Analysis of risk factors at the age of 6 years for
persistent cow’s milk allergy