Neuropsychological test scores obtained by the two groups on the non-linguistic abilities
| Test | Preterm (n = 30) | Control (n = 30) | p Value* | p Value† | ||
|---|---|---|---|---|---|---|
| Mean (SD) | Range | Mean (SD) | Range | |||
| VMI, Visual-motor integration test; TPV, perceptual tasks of visual perception test; LIPS, attention sustained task of Leiter international performance scale. | ||||||
| *Analysis of variance. | ||||||
| †Covaried with IQ levels. | ||||||
| VMI | 42.56 (6.13) | 35–57 | 47.36 (5.76) | 38–64 | 0.0027 | 0.049 |
| Block construction | ||||||
| Simple | 4.76 (1.54) | 0–6 | 5.6 (0.54) | 4–6 | 0.0039 | 0.18 |
| Complex | 2.33 (2.03) | 0–6 | 3.03 (1.92) | 0–6 | 0.17 | 0.51 |
| TPV | 33.82 (8.39) | 14–44 | 42.66 (4.74) | 31–52 | <0.001 | <0.001 |
| LIPS (attention) | 41.62 (11.57) | 13–60 | 51.5 (5.78) | 42–63 | <0.001 | 0.009 |
| Memory location | 8.37 (1.32) | 6–10 | 9.53 (0.68) | 8–10 | <0.001 | 0.0073 |