Neuropsychological test scores obtained by the two groups on linguistic abilities
| Test | Preterm (n = 30) | Control (n = 30) | p Value* | p Value† | ||
|---|---|---|---|---|---|---|
| Mean (SD) | Range | Mean (SD) | Range | |||
| BNT, Boston naming test; TRF, word and phrase retrieval test; PPTV-R, Peabody picture vocabulary test revised; TCG, test of grammar comprehension. | ||||||
| *Analysis of variance. | ||||||
| † Covaried with IQ levels. | ||||||
| BNT | 14.86 (4.2) | 6–22 | 18.13 (4.51) | 8–29 | 0.0052 | 0.11 |
| TRF | 40.63 (7.17) | 22–49 | 45.3 (4.83) | 32–51 | 0.0045 | 0.084 |
| PPVT-R | 33.27 (13.35) | 11–68 | 44.73 (11.6) | 14–72 | <0.001 | 0.021 |
| TCG | 8.72 (5.38) | 4–26 | 13.2 (7.43) | 6–27 | 0.01 | 0.054 |