TABLE 4.

Prevalence of Plagiocephaly Using Different Cutoff Criteria

Cutoff6-Week Cases (n [%])4-Month Cases (n [%])8-Month Cases (n [%])12-Month Cases (n [%])2-Year Cases (n [%])
Cephalic index ≥91% and/or OCLR40 ≥105%51 (25.5)56 (28.0)37 (18.9)36 (18.7)23 (12.7)
Cephalic index ≥92% and/or OCLR40 ≥105.5%39 (19.5)49 (24.7)26 (13.3)20 (10.4)12 (6.6)
Cephalic index ≥93% and/or OCLR40 ≥106%32 (16.0)39 (19.7)18 (9.2)13 (6.8)6 (3.3)
Cephalic index ≥94% and/or OCLR40 ≥106%30 (15.0)36 (18.2)18 (9.2)12 (6.3)6 (3.3)
Cephalic index ≥95% and/or OCLR40 ≥107%24 (12.0)19 (9.6)10 (5.1)8 (4.2)5 (2.8)