Table 4 Intellectual quotients scores, BVRT and CMS memory performances for 22q11.2DS and TD participants at T1 (9–12 years) and T2 (13–16 years)
|  | 22q11.2DS participants (N = 26) | TD participants (N = 22) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
T1 | T2 | Differences between T1 and T2 | T1 | T2 | Differences between T1 and T2 | |||||
Mean (SD) | Median | Mean (SD) | Median | Mean (SD) | Median | Mean (SD) | Median | |||
Global cognitive measures | ||||||||||
 FSIQ | 74.65 (10.45) |  | 73.00 (12.07) |  | ns | 107.18 (9.13) |  | 106.27 (9.78) |  | ns |
 PIQ | 72.42 (12.86) |  | 72.50 (11.52) |  | ns | 103.00 (11.62) |  | 103.82 (9.96) |  | ns |
 VIQ | 82.54 (12.78) |  | 78.92 (13.28) |  | p = 0.023 | 108.36 (11.14) |  | 107.55 (9.45) |  | ns |
BVRT errors | ||||||||||
 Total memory errors | 7.31 (4.21) | 7.00 | 6.31 (4.11) | 5.50 | ns | 4.14 (1.78) | 4.00 | 2.77 (2.18) | 2.50 | ns |
 Object memory errors | 4.38 (3.41) | 3.00 | 2.85 (2.38) | 2.50 | p = 0.029 | 1.82 (1.30) | 2.00 | 1.27 (0.99) | 1.00 | ns |
 Spatial memory errors | 2.31 (1.85) | 2.00 | 2.31 (2.18) | 2.00 | ns | 1.86 (1.29) | 2.00 | 1.32 (1.46) | 1.00 | ns |
CMS types of subtests | ||||||||||
 CMS ventral subtests | 6.67 (3.04) |  | 6.81 (2.78) |  | ns | 10.41 (2.22) |  | 11.09 (2.62) |  | ns |
 CMS dorsal subtests | 7.53 (2.57) |  | 7.37 (2.89) |  | ns | 10.58 (2.44) |  | 9.30 (2.56) |  | ns |
 CMS mixed subtests | 7.37 (2.83) |  | 7.75 (2.90) |  | ns | 10.82 (2.51) |  | 10.41 (2.77) |  | ns |