Forms of regression | Frequency | Mean age ± SD (years) | Responses |
---|---|---|---|
General regression | 96% | 1.66 ± 0.732 | N = 24 |
Behaviour regression | 68% | 1.40 ± 0.415 | N = 17 |
Speech regression | 84% | 1.60 ± 0.678 | N = 21 |
Motor regression | 84% | 3.61 ± 4.171 | N = 21 |
Growth failure | 48% | 4.50 ± 4.855 | N = 12 |
Regression hand use | 88% | 2.29 ± 1.426 | N = 22 |