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Table 7 Screening characteristics of CAST across different cutoff points

From: Psychometric properties of the cannabis abuse screening test (CAST) in a sample of Moroccans with cannabis use

CAST

Cut-off

Se (%)

Sp (%)

PPV (%)

NPV (%)

Y

1

100

0

96.4

-

0.00

2

100

25

97.2

100

0.25

3

99.53

75

99.06

85.71

0.75

4

97.64

75

99.04

54.55

0.73

5

93.87

75

99

31.58

0.69

6

91.04

75

98.97

24

0.66

  1. Se: sensitivity, Sp: specificity, PPV: positive predictive value, NPV: negative predictive value, FP: false positives, FN: false negatives, and Y: Youden index
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Addiction Science & Clinical Practice

ISSN: 1940-0640