Comparison of each method from child's actual weight and estimated weights
| Age group | <1 year | 1–5 years | 6–10 years | 11–14 years | Overall | Overall excluding 11–14 years group | |
|---|---|---|---|---|---|---|---|
| PAWPER tape | No. | 18 | 78 | 64 | 10 | 170 | 160 |
| No habitus | Limits of agreement (95% CIs) | −2.0 (−2.7 to −1.3) 1.5 (0.8 to 2.2) | −4.3 (−5.1 to −3.6) 3.6 (2.8 to 4.3) | −11.2 (−13.2 to −9.2) 7.4 (5.3 to 9.4) | −41.9 (−60.0 to −23.9) 24.0 (5.9 to 42.0) | −12.1 (−13.5 to −10.7) 9.2 (7.8 to 10.6) | −7.7 (−8.6 to −6.7) 5.7 (4.8 to 6.6) |
| Mean difference (kg)* | −0.3 (−0.7 to 0.2) | −0.4 (−0.9 to 0.1) | −1.9 (−3.1 to −0.8) | −9.0 (−21.0 to 3.1) | −1.5 (−2.3 to −0.6) | −1.0 (−1.5 to −0.5) | |
| % within 10% | 61.1% | 74.4% | 50.0% | 50.0% | 62.4% | 63.1% | |
| % within 20% | 88.9% | 91.0% | 84.4% | 70.0% | 87.1% | 88.1% | |
| PAWPER tape | No. | 18 | 78 | 64 | 10 | 170 | 160 |
| Habitus | Limits of agreement (95% CIs) | −0.9 (−1.4 to −0.3) 2.0 (1.4 to 2.5) | −2.8 (−3.6 to −2.3) 2.5 (2.0 to 3.1) | −7.3 (−8.5 to −6.0) 4.3 (3.0 to 5.5) | −33.8 (−48.6 to −19.0) 20.3 (5.9 to 42.0) | −9.0 (−10.1 to −8.0) 7.1 (6.0 to 8.2) | −5.0 (−5.6 to −4.4) 3.8 (3.2 to 4.4) |
| Mean difference (kg)* | 0.5 (0.2 to 0.9) | −0.2 (−0.5 to 0.2) | −1.5 (−2.2 to −0.8) | −6.8 (−16.6 to 3.1) | −1.0 (−1.6 to −0.3) | −0.6 (−1.0 to −0.3) | |
| % within 10% | 55.6% | 80.8% | 70.3% | 60.0% | 72.9% | 73.8% | |
| % within 20% | 94.4% | 100.0% | 95.3% | 80.0% | 96.5% | 97.5% | |
| APLS revised | No. | 18 | 78 | 68 | 19 | 183 | 164 |
| Limits of agreement (95% CIs) | −3.0 (−3.9 to −2.1) 1.6 (0.6 to 2.5) | −7.6 (−8.7 to −6.6) 3.4 (2.3 to 4.5) | −17.2 (−20.6 to −13.9) 14.8 (11.4 to 18.1) | −49.5 (−66.3 to −32.7) 35.2 (18.4 to 52.0) | −19.4 (−21.6 to −17.2) 15.1(12.9 to 17.3) | −12.6 (−14.1 to −11.1) 9.4 (7.9 to 10.9) | |
| Mean difference (kg)* | −0.7 (−1.3 to −0.2) | −2.1 (−2.7 to −1.5) | −1.2 (−3.2 to 0.8) | −7.1 (−17.6 to 3.3) | −2.2 (−3.5 to −0.9) | −1.6 (−2.5 to −0.7) | |
| % within 10% | 44.4% | 35.9% | 47.1% | 31.6% | 40.4% | 41.5% | |
| % within 20% | 77.8% | 71.8% | 73.5% | 63.2% | 72.1% | 73.2% | |
| Luscombe and Owens | No. | – | 78 | 68 | 35 | 181 | 146 |
| Limits of agreement (95% CIs) | – | −6.4 (−7.6 to −5.2) 6.1 (4.9 to 7.3) | −17.2 (−20.6 to −13.9) 14.8 (11.4 to 18.1) | −43.9 (−54.5 to −33.4) 28.1 (17.5 to 38.6) | −21.8 (−24.3 to −19.3) 17.7 (15.2 to 20.2) | −12.5 (−14.2 to −11.1) 11.2 (9.5 to 12.9) | |
| Mean difference (kg)* | – | −0.1 (−0.9 to 0.6) | −1.2 (−3.2 to 0.8) | −7.9 (−14.2 to −1.6) | −2.1 (−3.5 to −0.6) | −0.6 (−1.6 to 0.3) | |
| % within 10% | – | 38.5% | 47.1% | 37.1% | 41.4% | 42.5% | |
| % within 20% | – | 69.2% | 73.5% | 60.0% | 69.1% | 71.2% | |
| Best Guess | No. | 18 | 78 | 68 | 35 | 199 | 164 |
| Limits of agreement (95% CIs) | −2.5 (−3.4 to −1.6) 2.1 (1.1 to 3.0) | −5.6 (−6.7 to −4.6) 5.4 (4.3 to 6.5) | −15.9 (−19.2 to −12.6) 15.4 (12.1 to 18.7) | −38.7 (−49.3 to −28.1) 33.6 (23.0 to 44.2) | −18.6 (−20.8 to −16.4) 17.4 (15.2 to 19.6) | −10.9 (−12.4 to −9.5) 10.6 (9.1 to 12.0) | |
| Mean difference (kg)* | −0.2 (−0.8 to 0.3) | −0.1 (−0.8 to 0.5) | −0.3 (−2.2 to 1.7) | −2.5 (−8.9 to 3.8) | −0.6 (−1.9 to 0.7) | −0.2 (−1.0 to 0.7) | |
| % within 10% | 61.1% | 51.3% | 47.1% | 31.4% | 47.2% | 50.6% | |
| % within 20% | 72.2% | 74.4% | 69.1% | 57.1% | 69.3% | 72.0% | |
| Broselow | No. | 18 | 77 | 60 | 5 | 160 | 155 |
| Limits of agreement (95% CIs) | −2.3 (−3.0 to −1.5) 1.3 (0.6 to 2.1) | −3.9 (−4.6 to −3.3) 2.6 (2.0 to 3.3) | −11.4 (−13.5 to −9.3) 7.1 (5.0 to 9.1) | −22.2 (−36.1 to −8.2) 13.9 (−0.1 to 27.8) | −8.3 (−9.2 to −7.3) 5.6 (4.7 to 6.6) | −7.6 (−8.5 to −6.7) 5.1 (4.3 to 6.0) | |
| Mean difference (kg)* | −0.5 (−0.9 to 0.0) | −0.7 (−1.0 to −0.3) | −2.2 (−3.4 to −1.0) | −4.1 (−15.6 to 7.3) | −1.3 (−1.9 to −0.8) | −1.2 (−1.7 to −0.7) | |
| % within 10% | 50.0% | 72.7% | 48.3% | 40.0% | 60.0% | 60.6% | |
| % within 20% | 83.3% | 90.9% | 85.0% | 80.0% | 87.5% | 87.7% | |
| Mercy | No. | 18 | 78 | 68 | 35 | 199 | 164 |
| Limits of agreement (95% CIs) | −1.5 (−2.3 to −0.6) 2.8 (2.0 to 3.7) | −2.5 (−3.1 to −1.9) 3.6 (3.0 to 4.2) | −6.3 (−7.7 to −4.9) 7.2 (5.8 to 8.6) | −11.0 (−14.2 to −7.8) 10.9 (7.7 to 14.1) | −5.9 (−6.7 to −5.1) 6.8 (6.0 to 7.5) | −4.3 (−5.0 to −3.7) 5.4 (4.7 to 6.0) | |
| Mean difference (kg)* | 0.7 (0.1 to 1.2) | 0.6 (0.2 to 0.90) | 0.5 (−0.4 to 1.3) | −0.1 (−2.0 to 1.8) | 0.4 (0.0 to 0.9) | 0.5 (0.1 to 0.9) | |
| % within 10% | 66.7% | 69.2% | 72.1% | 65.7% | 69.3% | 70.1% | |
| % within 20% | 88.9% | 93.6% | 98.5% | 91.4% | 94.5% | 95.1% |
*Mean difference shown as mean difference of estimation-actual weight with 95% CIs.
PAWPER, Paediatric Advanced Weight Prediction in the Emergency Room.