Table 1.
Relationship between symptom severity and GABA and HGF.
| HGF | GABA | |
|---|---|---|
| Symptom severity (0–5; 5 most severe behavior) | ||
| Awareness | ||
| r | −0.03 | 0.01 |
| P | 0.41 | 0.46 |
| Expressive language | ||
| r | −0.22 | −0.19 |
| P | 0.1 | 0.16 |
| Receptive language | ||
| r | −0.07 | −0.14 |
| P | 0.33 | 0.24 |
| Conversational language | ||
| r | −0.11 | −0.018 |
| P | 0.26 | 0.46 |
| Focus/attention | ||
| r | 0.14 | 0.328 |
| P | 0.2 | 0.043 |
| Hyperactivity | ||
| r | −0.1 | 0.57 |
| P | 0.27 | 0.0007 |
| Impulsivity | ||
| r | −0.01 | 0.46 |
| P | 0.47 | 0.007 |
| Perseveration | ||
| r | −0.15 | 0.13 |
| P | 0.19 | 0.25 |
| Fine motor skills | ||
| r | −0.05 | −0.06 |
| P | 0.37 | 0.36 |
| Gross motor skills | ||
| r | 0.13 | −0.3 |
| P | 0.22 | 0.06 |
| Hypotonia | ||
| r | −0.11 | −0.11 |
| P | 0.25 | 0.28 |
| Tip toeing | ||
| r | −0.05 | 0.348 |
| P | 0.38 | 0.03 |
| Rocking/pacing | ||
| r | −0.02 | −0.16 |
| P | 0.44 | 0.2 |
| Hand flapping/finger stimming | ||
| r | −0.06 | 0.187 |
| P | 0.34 | 0.16 |
| Obsession/fixation | ||
| r | −0.06 | 0.03 |
| P | 0.35 | 0.43 |
| Eye contact | ||
| r | 0.06 | −0.07 |
| P | 0.35 | 0.34 |
| Sound sensitivity | ||
| r | 0.06 | 0.22 |
| P | 0.34 | 0.12 |
| Light sensitivity | ||
| r | 0.09 | 0.39 |
| P | 0.29 | 0.02 |
| Tactile sensitivity | ||
| r | 0.002 | 0.415 |
| P | 0.49 | 0.01 |
Notes: GABA concentration correlates with severity of focus/attention, hyperactivity, impulsivity, tip toeing, light sensitivity and tactile sensitivity (shaded data).