TD (n = 86) | AUT (n = 20) | CdLS (n = 22) | FXS (n = 19) | RTS (n = 18) | p | Post-hoc tests (p < 0.05) | |
---|---|---|---|---|---|---|---|
Mean chronological age in months (SD) | 22.03 (5.32) | 104.18 (35.76) | 77.98 (39.46) | 71.70 (30.40) | 110.61 (45.95) | < 0.01 | TD < FXS, < AUT, RTS, TD < CdLS |
Sex % female | 47 | 30 | 59 | 0 | 50 | < 0.01 | FXS < AUT < TD, CdLS, RTS |
Mean non-verbal mental age in months (SD)a | 22.03 (5.32) | 35.47 (18.77) | 29.62* (13.67) | 33.01 (10.42) | 30.32** (9.52) | < 0.01 | TD < AUT, CdLS, FXS, RTS |
Mean non-verbal developmental quotient (SD)a | NA | 38.89 (27.90) | 43.85* (16.45) | 49.32 (13.95) | 34.47** (21.51) | 0.03 | ASD, RTS < FXS |
Mean adaptive behaviour age equivalent in months (SD)b | NA | NA | 22.18 (13.06) | 30.55 (13.64) | 33.74 (15.53) | 0.03 | CdLS < FXS, RTS |
Mean ADOS-2 Calibrated Severity Scores (SD) | NA | NA | 4.38 (3.19)*** | 6.17 (1.50) | 4.88 (1.86) | 0.08 | |
Mean Primary carer’s education level band (SD)c | NA | NA | 4.15** (1.38) | 4.17*** (1.20) | 4.06 ** (1.34) | 0.99 | |
Mean total annual family income band (SD)d | NA | NA | 3.65** (1.93) | 4.18** (1.59) | 3.73* (2.05) | 0.48 |