Table 6 Two-by-two contingency tables for the UKCAT as a hypothetical screening test for failing to pass, at first sitting, at least 1Â year at medical school
Screening result | Fail at least one exam at first sitting | ||
|---|---|---|---|
Screen positive (low threshold: z ≤ –1) | No | Yes | Total |
 No | 14,198 | 7808 | 22,006 |
 Yes | 1152 | 1465 | 2617 |
 Total | 15,350 | 9273 | 24,623 |
Screen positive (medium threshold: z ≤ 0) | No | Yes | Total |
 No | 9560 | 4370 | 13,930 |
 Yes | 5790 | 4903 | 10,693 |
 Total | 15,350 | 9273 | 24,623 |
Screen positive (high threshold: z ≤ 1) | No | Yes | Total |
 No | 2844 | 939 | 3783 |
 Yes | 12,506 | 8334 | 20,840 |
 Total | 15,350 | 9273 | 24,623 |