Research and analysis
Table 8
Updated 18 December 2020
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| Reference | Stage of process | Nature of filter | Prior 2020 v Prior all-years as a number | Prior 2020 v Prior all-years as a percentage | Prior 2020 v CAG 2020 as a number | Prior 2020 v CAG 2020 as a percentage | Prior all-years v CAG 2020 as a number | Prior all-years v CAG 2020 as a percentage |
|---|---|---|---|---|---|---|---|---|
| a) | Primary filter | Z-score only | 11757 | 62.2 | 1555 | 8.2 | 1396 | 7.4 |
| b) | Secondary filters | With difference between CAG and calculated grade | 3865 | 64.7 | 817 | 13.7 | 679 | 11.4 |
| c) | Secondary filters | Within top 2 ranks | 5993 | 58.6 | 1390 | 13.6 | 1237 | 12.1 |
| d) | Secondary filters | Combined | 1725 | 65.2 | 701 | 26.5 | 574 | 21.7 |
| e) | Optional filters | With unique CAG | 643 | 67.1 | 432 | 45.1 | 357 | 37.3 |
| f) | Optional filters | With lower than average generosity | 664 | 66.8 | 324 | 32.6 | 285 | 28.7 |
| g) | Summary | Combination of all criteria | 265 | 70.3 | 196 | 52.0 | 174 | 46.2 |