Effects of different cutpoint methods on circulation 2002 no. 2 (retained cases)
| Method | Calculation | Cutpoint | No below cutpoint | Comment |
|---|---|---|---|---|
| IQR, interquartile range. | ||||
| Percentile | 2.5th percentile | Score 97 | 10 | 10 scored 94 or less, next 52 scored 97 |
| Percentile | 5th percentile | Score 97 | 10 | As above |
| IQR (non-stringent k) | Q1–(3×IQR) | – | ||
| IQR (stringent k) | Q1–(1.5×IQR) | – | ||
| 10–90th range (non-stringent k) | 10th centile − (1.34×10–90th range) | Score 93 | 1 | |
| 10–90th range (stringent k) | 10th centile − (0.55×10–90th range) | Score 95 | 10 | |