TABLE 1

Number of Cases and Mean (SD) of Participant’s Age at Time of Screening and of Failed M-CHAT 6 Critical Items

Total True-Negative CasesTrue-Negative BoysTrue-Negative GirlsTotal False-Negative Cases False-Negative BoysFalse-Negative Girls
No. cases67 96934 50233 46722819236
Age at time of screening, mo18.53 (0.62)18.53 (0.64)18.53 (0.60)18.51 (0.55)18.51 (0.56)18.53 (0.48)
Failed M-CHAT 6 critical items0.10 (0.30)0.12 (0.32)0.08 (0.28)0.27 (0.44)0.25 (0.43)0.41 (0.50)