Table 3 Truth table for calculating sensitivity, specificity, positive and negative predictive values:
Standard IF | ||||
|---|---|---|---|---|
Ig deposits | No Ig deposits | Total number | ||
Test Ig CocktailTest Ig Cocktail | Ig deposits | 235 | 0 | 235 |
No Ig deposits | 0 | 354 | 354 | |
Total | 235 | 354 | 593 | |