| Number of patients | Mean adjusted IQ* (SD) | Difference in means (95% CI) | t-test p-value | ||
---|---|---|---|---|---|---|
 | HDM | XRT | HDM | XRT |  |  |
FSIQ | Â | Â | Â | Â | Â | Â |
   3 years | 45 | 51 | 98.9 (13) | 94.7 (13) | 4.2 (-1.1 : 9.4) | 0.1 |
   5 years | 35 | 34 | 100.5 (16) | 98.2 (15) | 2.3 (-5.1 : 9.8) | 0.5 |
VIQ | Â | Â | Â | Â | Â | Â |
   3 years | 45 | 51 | 98.9 (14) | 94.9 (13) | 4.0 (-1.5 : 9.5) | 0.2 |
   5 years | 35 | 34 | 100.3 (16) | 98.2 (15) | 2.0 (-5.5 : 9.6) | 0.6 |
PIQ | Â | Â | Â | Â | Â | Â |
   3 years | 45 | 51 | 99.4 (13) | 95.7 (13) | 3.7 (-1.5 : 8.8) | 0.2 |
   5 years | 35 | 34 | 101.0 (15) | 98.4 (14) | 2.7 (-4.3 : 9.7) | 0.4 |