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Table 3 Participant neurocognitive (NC) characteristics based on average T-scores and rates of impairment (N = 97)

From: Neurocognitive, psychiatric, and substance use characteristics in a diverse sample of persons with OUD who are starting methadone or buprenorphine/naloxone in opioid treatment programs

 

M (SD)

Overall impaired % (n)

Mildly impaired % (n)

Mild-mod impaired % (n)

Moderately impaired % (n)

Mod-severely impaired % (n)

Severely impaired % (n)

WRAT-3 reading (standard score)

87.2 (13.2)

–

–

–

–

–

–

Global NC functioning

41.6 (6.4)

35% (34)

18% (17)

13% (13)

3% (3)

1% (1)

0% (0)

Executive functioning

43.6 (7.7)

35% (34)

24% (23)

9% (9)

2% (2)

0% (0)

0% (0)

Learning

34.3 (8.3)

79% (77)

34% (33)

19% (18)

12% (12)

7% (7)

7% (7)

Memory

35.5 (8.7)

69% (67)

22% (21)

21% (20)

14% (14)

7% (7)

5% (5)

Attention/working memory

43.0 (9.5)

41% (40)

24% (23)

11% (11)

3% (3)

3% (3)

0% (0)

Speed of information processing

48.0 (8.8)

18% (17)

9% (9)

6% (6)

1% (1)

0% (0)

1% (1)

Motor skills

42.0 (10.3)

42% (40)

17% (16)

14% (13)

5% (5)

5% (5)

1% (1)

Verbal fluency

44.5 (9.9)

31% (30)

18% (17)

6% (6)

4% (4)

2% (2)

1% (1)

  1. T-scores between 45 and 54 = average; T-scores between 40 and 44 = below average; T-scores < 40 = overall impaired; T = 35–39 mildly impaired; T = 30–34 mild-moderately impaired; T = 25–29 moderately impaired; T = 20–24 moderate-severely impaired; and T < 20 severely impaired; Mod = moderately