Table 4.
RCFT performance distributions within each of the three groups.
| RCFT measure | Performance levels§ | NF1 N (%) Residual∗ |
S N (%) Residual |
TD N (%) Residual |
χ 2 | Exact p |
|---|---|---|---|---|---|---|
| Copy | >-1 SD | 6 (33.3) -2.9 | 13 (76.5) 1.6 | 13 (72.2) 1.3 | 9.749 | 0.038 |
| <-1 SD | 4 (22.2) 0.7 | 3 (17.6) 0.1 | 2 (11.1) -0.8 | |||
| <-2 SD | 8 (44.4) 2.7 | 1 (5.9) -2.0 | 3 (16.7) -0.7 | |||
|
| ||||||
| Immediate recall | >-1 SD | 5 (27.8) -3.3 | 11 (64.7) 0.6 | 15 (83.3) 2.6 | 13.517 | 0.005 |
| <-1 SD | 6 (33.3) 1.1 | 5 (29.4) 0.6 | 2 (11.1) -1.6 | |||
| <-2 SD | 7 (38.9) 3.0 | 1 (5.9) -1.6 | 1 (5.6) -1.6 | |||
|
| ||||||
| Delay Recall | >-1 SD | 3 (16.7) -3.6 | 11 (64.7) 1.4 | 13 (72.2) 2.2 | 17.924 | 0.001 |
| <-1 SD | 7 (38.9) 1 | 6 (35.3) 0.6 | 3 (16.7) -1.5 | |||
| <-2 SD | 8 (44.4) 3.4 | 0 (0.0) -2.4 | 2 (11.1) -1.0 | |||
|
| ||||||
| Recognition | >-1 SD | 15 (83.3) 0.7 | 11 (64.7) -1.5 | 15 (83.3) 0.7 | 6.901 | 0.071 |
| <-1 SD | 3 (16.7) -0.3 | 6 (35.3) 2.1 | 1 (5.6) -1.8 | |||
| <-2 SD | 0 (0.0) -1.0 | 0 (0) -1.0 | 2 (11.1) 2.0 | |||
Legend. NF1: neurofibromatosis type 1; S: siblings; TD: typically developing children; RCFT: Rey Complex Figure Test. ∗The significant corrected standardized residuals are bolded. §Performance levels are represented as follows: >-1 SD: normal, <-1 SD: borderline, <-2 SD: impaired.