TABLE 1.
Fall | |||
---|---|---|---|
Yes, n | No, n | ||
High risk | 309 | 1918 | Positive predictive value |
= 309/(309 + 1918) | |||
= 13.9% | |||
Low risk | 138 | 1749 | Negative predictive value |
= 1749/(1749 + 138) | |||
= 92.7% | |||
Sensitivity | Specificity | ||
= 309/(309 + 138) | = 1749/(1918 + 1749) | ||
= 69.1% | = 47.7% |