The PT group was recruited in the follow‐up clinic, schools, and

The PT group was recruited in the follow‐up clinic, schools, and private practices, and the FT group was recruited from public and private schools. Both groups consisted of apparently normal children with no evidence of diagnoses such as cerebral palsy, intellectual disability, genetic disorders, and malformations. In the PT group, three had grade III peri‐intraventricular

hemorrhage (PIVH), with no motor sequelae. Children in the FT group had no history of neonatal complications. Data related to the children’s birth and neonatal complications were LY2157299 obtained from the discharge summary and the Child Health Handbook. Other information, such as education and profession of the parents, were provided by parents. Only children whose parents signed the informed consent authorizing their participation in the study were evaluated. Data were collected to be representative of children of low socioeconomic level, selected from the follow up clinic and public schools, and children check details of high socioeconomic level, recruited from private practices and private schools. The economic classification

was estimated using the Economic Classification Criteria (ECC) proposed by the Brazilian Association of Businesses and Research.16 All children who participated in this study were evaluated through the Movement Assessment Battery for Children ‐ second edition (MABC‐2), the Pediatric Evaluation of Disability Inventory (PEDI), and the Columbia Mental Maturity Scale (CMMS) by the first author, who was previously trained in the application of each test. Since MABC‐2 is a test of performance, ADAMTS5 inter‐rater reliability was verified before data collection through the scoring of ten children evaluated jointly and scored independently, with the specific purpose of checking reliability, obtaining an index of 0.82 (intraclass correlation) for the total percentile of motor classification. MABC‐217 is a screening

test used to identify motor impairment in children aged three to 16 years and 11 months, divided by age range; only the first age band, for children ages 3 years to 6 years and 11 months, was used this study. The test consists of eight tasks that assess manual dexterity, static and dynamic balance, and ball skills. According to this test’s criteria, this study considered that children with scores ≤ fifth percentile had motor coordination problems or atypical performance; scores from the sixth to the 15th percentile indicated suspected cases; and children with scores above the 16th percentile were considered as having normal motor performance. The MABC‐2 does not have normative data for Brazilian children, but it has been used in research, including in the area of prematurity.18 and 19 There is evidence of the validity of the MABC‐2 in different countries,20 and 21 and the present study compared data from two Brazilian samples.

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