Rates of undiagnosed attention deficit hyperactivity disorder in London drug and alcohol detoxification units

BMC Psychiatry

Table 3 Mean (SD) ADHD screening scores for retrospective ratings from childhood and current symptoms at T1 and T2 in the total inpatient sample

	Childhood	T1	T2	Mean change T1 vs. T2	Paired t value (T1 vs T2 change)
Total score /54	21.09	23.03	14.65	−8.6	11.92**
Total score /54	(SD 15.0)	(SD 12.5)	(SD 12.1)	(SD 9.1)
Inattentive symptoms /9	3.51	3.59	1.83	−1.80	10.21**
Inattentive symptoms /9	(SD 3.2)	(SD 2.9)	(SD 2.5)	(SD 2.2)
Hyp/imp symptoms /9	3.29	3.46	2.30	−1.23	7.40**
	(SD 3.0)	(SD 2.6)	(SD 2.6)	(SD 2.1)

There is a significant reduction in ADHD symptoms following 1-week or more of treatment in the addiction units.
** Significant at p<0.001.

ISSN: 1471-244X