Table 6.
User group | ||
---|---|---|
Frequent user | Non frequent user | |
High risk group | 18 | 4 |
Low risk group | 6 | 17 |
Sensitivity 75%, Specificity 81%, Positive predictive value 82%, Negative predictive value 74%
User group | ||
---|---|---|
Frequent user | Non frequent user | |
High risk group | 18 | 4 |
Low risk group | 6 | 17 |
Sensitivity 75%, Specificity 81%, Positive predictive value 82%, Negative predictive value 74%