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Repetitive behaviour among the RTT and contrast groups: mean Repetitive Behaviour Questionnaire scores (SD, range)
| RTT | Contrast | Mann Whitney | |||
|---|---|---|---|---|---|
| ( N = 88) | ( N = 66) | U | z | P value | |
| Total score | 6.9 (4.31,0 to 24) | 13.9 (7.67, 3 to 36) | 1134.0 | −6.01 | .001 |
| Stereotyped behaviour | 5.5 (2.90, 0 to 12) | 8.8 (3.22, 0 to 12) | 1276.5 | −5.81 | .001 |
| Compulsive behaviour | 0.03 (0.31, 0 to 3) | 1.5 (2.60, 0 to 12) | 1876.0 | −5.63 | .001 |
| Insistence of sameness | 0.7 (1.64, 0 to 8) | 1.2 (2.09, 0 to 8) | 2474.0 | −1.75 | .080 |
