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Table 2 Reported use of substances, doctor's evaluation and findings in urine samples1 at admission.

From: Effects of legal and illegal use of benzodiazepines at acute admission to a psychiatric acute department

 

Legal (n = 89)

Illegal (n = 30)

No (n = 108)

All (n = 227)

P

Patient report

     

   Use of alcohol last week2 (%)

29 (33)

15 (50)

49 (45)

93 (41)

Ns

   Use of illegal opiates last week3 (%)

3 (3)

7 (23)

0 (0)

10 (4)

<0.001

   Use of cannabis last week2 (%)

2 (2)

9 (30)

8 (7)

19 (8)

<0.001

   Use of illegal stimulants last week3 (%)

1 (1)

5 (17)

4 (4)

10 (4)

0.004

Doctor's assessment

     

   Patient regarded clinically affected by a substance3 (%)

17 (19)

11 (37)

7 (6)

35 (15)

<0.001

Urine samples2

n = 75

n = 30

n = 91

n = 196

Ns

   Ethanol in urine3 (%)

4 (4)

2 (7)

5 (5)

11 (5)

Ns

   Illegal opiates in urine3 (%)

3 (3)

5 (17)

2 (2)

10 (4)

0.015

   Cannabis in urine2 (%)

6 (7)

7 (23)

7 (6)

20 (9)

0.036

   Illegal stimulants in urine3 (%)

0 (0)

5 (17)

4 (4)

9 (4)

0.001

   Two or more benzo diazepines in urine sample2 (%)

9 (10)

10 (33)

-

19 (8)

<0.001

  1. Values higher or lower than expected are marked with bold or underlined italics, respectively.
  2. 1Urine samples analyzed with the LC-MS method.
  3. 2Chi-square test with 95% confidence interval computed for each square if Chi-square test is significant.
  4. 3Fisher's Exact test with 95% confidence interval computed for each square if Fisher's Exact test is significant.