Summary of results
| Method | APLS | Argall | Luscombe | Best Guess | 2xage + 10 |
|---|---|---|---|---|---|
| Formula | 2xage+8 2(age+4) | 3xage+6 3(age+2) | 3xage+7 | 1–5)2xage+10 6–10)4xage | 2xage+10 2(age+5) |
| Percentage accuracy +/− 10% | 35.1 | 39.0 | 43.1 | 43.7 | 44.7 |
| Mean error / % bodywt (95% CI) | 13.1 (−22.1–48.4) | 5.0 (−37.3–47.4) | −0.9 (−43.8–42.1) | −5.6 (−49.3–38.0) | 1.4 (−40.5–43.3) |
| Root mean square % bodywt error | 22.3 | 22.2 | 21.9 | 23.0 | 21.4 |
| Mean error /kg (95% CI) | 3.8 (−8.3–16.0) | 1.4 (−9.4–12.2) | 0.4 (−10.4–11.2) | −0.4 (−11.1–10.4) | 1.8 (−10.3–14.0) |
| Percent>10% overestimated | 6.1 | 19.3 | 28.3 | 37.5 | 25.2 |
| Percent>10% underestimated | 58.8 | 41.7 | 28.6 | 18.8 | 30.1 |