Table V.

Developmental outcomes

	Cocaine exposed (n = 30)	Nonexposed (n = 37)	t/Zc/F	p
Corrected age at follow-up (mo)*	16.6 ± 7	18.5 ± 7	1.1	NS
Bayley MDI*	83 ± 27	91 ± 19	2.7	<0.05†
Bayley MDI <80	47%	24%	1.9	<0.03
Bayley PDI*	85 ± 25	96 ± 18	4.2	<0.02†
Bayley PDI <80	33%	8%	2.6	<0.006

Zc, Statistical test of proportions with the continuity correction; NS, not significant.

^*Values (except t/Z^c/F and p values) are expressed as mean ± SD.

^†Adjusted for chronologic age.