Table 1.
The conventional 2 × 2 contingency table used in analysis.
| Criterion 1 | Criterion 2 |
Totals | |
|---|---|---|---|
| X2 | Y2 | ||
| X1 | A | B | A+B |
| Y1 | C | D | C+D |
| Totals | A+C | B+D | A+B+C+D |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.