Does routine child health surveillance contribute to the early detection of children with pervasive developmental disorders? – An epidemiological study in Kent, U.K.

Table 4 Areas of concern documented at the 3.5 year check

Area of concern at 3.5 yrs	Number of cases
Speech and language development	13 (76.5%)
Hearing	1 (5.9%)
Motor development	1 (5.9%)
Behaviour	8 (47.1%)
None	1 (5.9%)

Table 4 shows the areas of concerns which were documented in the child health surveillance check at 3.5 years of age in children with PDD (n = 17). In six children 2 areas of concern were documented. In four children no data concerning the check was available, in 2 cases because the child had moved into the area at a later point.

ISSN: 1471-2431