Table 5.

Characteristics of children at 12 month follow up

	Therapy (n=71)*	Watchful waiting (n=84)*
Mean (SD) auditory comprehension score	87.3 (15.9)	84.3 (15.5)
Mean (SD) expressive language score	83.8 (15.1)	81.2 (15.8)
Mean phonology error rate (%)	27.2%	34.4%
Mean (SD) score on Bristol language development scale	4.9 (1.7)	4.8 (1.8)

^*Data were missing for all measures in both groups: analyses were based on 71 (therapy group) and 84 children (watchful waiting group) for auditory comprehension; 70 and 82 for expressive language; 70 and 81 for the phonology error rate; and 71 and 84 for the Bristol language development scale.