Cleveland Family Study
17.8.3.3 Table 5: Quick Reference Measurement Chart
| Total Measurement Value (cm) | 50% Value (cm) | 20% Value (cm) |
|---|---|---|
| 30 | 15.0 | 6.0 |
| 31 | 15.5 | 6.2 |
| 32 | 16.0 | 6.4 |
| 33 | 16.5 | 6.6 |
| 34 | 17.0 | 6.8 |
| 35 | 17.5 | 7.0 |
| 36 | 18.0 | 7.2 |
| 37 | 18.5 | 7.4 |
| 38 | 19.0 | 7.6 |
| 39 | 19.5 | 7.8 |
| 40 | 20.0 | 8.0 |
Note: If the _total_ value measurement contains a fraction, continue to use the percentage values as the whole number. Example: Total measurement = 35.2, 35.5, 35.7 continue to use the percentage values for 35.
Remember:
- The 50% values are used to determine Cz.
- The 20% values are used to determine C3 and C4.
- The 10% values are used to determine O1 and O2. (Half of the 20% values).