Mean (SD), median, 5th centile and 95th centile Δ scores for the contour test by age category in 215 children with no known developmental problems
| Age (years) | n | Mean | SD | Median Δ | 5th centile | 95th centile |
|---|---|---|---|---|---|---|
| <5 | 13 | 1.03 | 0.09 | 1.0 | 1.20 | 0.95 |
| 5 to <6 | 26 | 1.00 | 0.09 | 0.95 | 1.20 | 0.92 |
| 6 to <7 | 41 | 0.95 | 0.08 | 0.95 | 1.10 | 0.76 |
| 7 to <8 | 47 | 0.93 | 0.05 | 0.95 | 1.03 | 0.82 |
| 8 to <9 | 40 | 0.93 | 0.06 | 0.95 | 1.00 | 0.85 |
| 9 to <10 | 22 | 0.87 | 0.12 | 0.95 | 0.95 | 0.57 |
| ≥10 | 22 | 0.92 | 0.07 | 0.95 | 1.00 | 0.72 |
| Total | 212 | 0.95 | 0.09 | 0.95 | 0.84 | 1.10 |