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. 2021 Jun 1;24(6):e13112. doi: 10.1111/desc.13112

TABLE 1.

Demographic data and results on the screening tests in typically developing children and children with DLD

TD mean (SD) DLD mean (SD) difference
Age 74 mo (6 mo) 74 mo (6 mo) t(16) = 1.201, n.s.
IQ (Raven) 104 (10) 102 y (9) t(16) = .890, n.s.
Parental education 14 y (1.8 y) 12 y (1.6 y) t(16) = 3.267 p = 0.005
PPVT 82 (17) 63 (8) t(16) = 4.258 p = 0.001
TROG 65 (4) 50 (11) t(16) = 6.520 p < 0.001
Sentence repetition 30 (9) 20 (9) t(16) = 3.154 p = 0.006
Non‐word repetition 4.7 (0.9) 2.8 (1.2) t(16) = 5.343 p < 0.001

Abbreviations: PPVT, Peabody Picture Vocabulary Test, TROG, Test for Reception of Grammar, DLD, Developmental Language Disorder.