- Sensitivity:

“ . . . probability that a diseased individual will have a positive test result” (Knapp and Miller, 1992).

- Formula:

P (T ⁺ / D ⁺) OR A / (A + C)

- Confidence Intervals for proportions:

“ . . . the level of confidence (95%) that the calculated interval encompasses the true proportion in the populations from which the samples were drawn”. Expected proportions (p * q) are represented by the proportion of interest (p) and remaining proportion (q).

- Formula:

CI = “proportion” ± 1.96 x (p x q)/N