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Table 4 Comparison of ASI values in CAARS-ADHD index classes

From: Adult attention-deficit hyperactivity disorder among patients with substance use disorders

Items of ASI CAARS-ADHD index
Class 1
(N = 9)
CAARS-ADHD index
Class 2
(N = 16)
CAARS-ADHD index
Class 3
(N = 26)
Kruskal–Wallis test
Mean SD Mean SD Mean SD H P
Age of onset 14.667 3.5355 18.25 4.8374 16.923 3.6543 4.159 0.125
Age 25.556 5.5478 29 5.6804 27.192 4.8416 3.063 0.216
Med-Status 3.222 1.5635 1.813 2.0073 2.462 2.1583 3.7 0.157
Empl-Supp-Status 4.556 1.6667 5.375 1.8212 4.346 1.8535 3.187 0.203
Delirium tremens 0 0 0 0 0 0 0 1
Overdose 1.444 1.1304 2.938 6.7376 2.692 3.172 3.703 0.157
Ttt-sud 2.556 1.6667 3.875 4.6458 3.885 4.4392 0.251 0.882
Drug detox 0.889 1.6915 1.563 2.8277 1.5 3.0496 0.472 0.79
Alcohol problems 2.333 0.5 2.25 0.8563 1.846 0.7845 4.295 0.117
Drug problems 8.111 0.7817 8.188 0.9811 7.231 1.2102 7.95 0.018*
Legal status 3 3.2787 2.313 2.7741 0.962 2.1257 5.058 0.08
Fam-Soc-Relation 5.778 1.9221 5.938 1.6112 5.115 1.5831 2.825 0.244
Post hoc tests
 Parameters Class I vs Class II Class I vs Class III Class II vs class III
 Drug problems 0.842 0.050 0.040
  1. CAARS Conners adult rating scale, ASI Addiction Severity Index, Class 1 highest affinity for the diagnosis of adult ADHD (T score > 66), Class 2 with subclinical symptoms (T score: 56–65), Class 3 with average or below average ADHD symptoms (T score < 55)
  2. *p value <0.005