TABLE 3.

New Cases at Each Age

Condition6 Weeks (n [%])4 Months (n [%])8 Months (n [%])12 Months (n [%])2 Years (n [%])Total (% of original cohort)
Either32 (16.0)23 (11.6)4 (2.0)0 (0.0)0 (0.0)59 (29.5)
Plagiocephaly only21 (10.5)12 (6.1)3 (1.5)0 (0.0)0 (0.0)36 (18)
Brachycephaly only9 (4.5)11 (5.6)1 (0.5)0 (0.0)0 (0.0)21 (10.5)
Both2 (1.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)2 (1.0)