Table 2.
Bias and precision measures according to different weight estimation methods.
| PAWPER tape | Broselow tape | EPLS formula | Caregiver’s estimation | |||||
|---|---|---|---|---|---|---|---|---|
| All (N) | 2060 | 2019 | 1798 | 1855 | ||||
| MPE, % (LOA) | 2.6 (−15.4; 20.5) | 1.7 (−21.1; 24.4) | −2.6 (−41.6; 36.4) | −2.0 (−17.3; 13.3) | ||||
| RMSPE, % | 9.5 | 11.7 | 18.8 | 8.1 | ||||
| PW10, % (95% CI) | 75.0 | (73.0; 76.8) | 64.7 | (62.2; 66.8) | 49.9 | (47.6; 52.3) | 86.1 | (84.4; 87.6) |
| PW20, % (95% CI) | 95.0 | (93.8; 95.8) | 90.2 | (88.9; 91.5) | 78.3 | (76.3; 80.1) | 96.7 | (95.8; 97.5) |
| HS 1 | ||||||||
| MPE, % (LOA %) | 5.7 | (−13.6; 25.1) | 17.3 | (−5.0; 39.6) | 12.2 | (−20.9; 45.3) | −1.3 | (−16.6; 14.0) |
| RMSPE, % | 11.4 | 20.7 | 20.8 | 7.9 | ||||
| PW10, % (95% CI) | 69.6 | (61.8; 76.6) | 23.0 | (14.0; 27.2) | 43.5 | (29.4; 45.7) | 87.0 | (77.2; 90.1) |
| PW20, % (95% CI) | 91.3 | (85.8; 95.2) | 59.0 | (49.2; 65.3) | 70.2 | (58.6; 74.5) | 98.1 | (93.6; 99.5) |
| N | 161 | 155 | 145 | 135 | ||||
| HS 2 | ||||||||
| MPE, % (LOA %) | 4.5 | (−12.8; 21.8) | 5.3 | (−12.9; 23.6) | 2.6 | (−35.1; 40.2) | −1.9 | (−16.4; 12.7) |
| RMSPE, % | 9.9 | 10.7 | 19.4 | 7.7 | ||||
| PW10, % (95% CI) | 73.8 | (70.6; 76.8) | 66.4 | (63.0; 69.7) | 58.7 | (54.9; 62.4) | 86.5 | (83.8; 88.9) |
| PW20, % (95% CI) | 94.4 | (92.5; 95.9) | 92.2 | (90.1; 94.0) | 87.5 | (84.8; 89.9) | 96.8 | (95.3; 98.0) |
| N | 798 | 786 | 690 | 726 | ||||
| HS 3 | ||||||||
| MPE, % (LOA %) | 1.6 | (−14.7; 17.8) | −1.2 | (−18.5; 16.1) | −5.4 | (−40.3; 29.5) | −1.9 | (−18.1; 14.2) |
| RMSPE, % | 8.4 | 8.9 | 18.6 | 8.5 | ||||
| PW10, % (95% CI) | 78.5 | (75.6; 81.2) | 76.7 | (73.7; 79.5) | 51.4 | (47.8; 55) | 86.3 | (83.7; 88.6) |
| PW20, % (95% CI) | 96.6 | (95.1; 97.7) | 97.1 | (95.7; 98.1) | 80.7 | (77.7; 83.5) | 96.7 | (95.2; 97.8) |
| N | 870 | 858 | 753 | 788 | ||||
| HS 4 | ||||||||
| MPE, % (LOA %) | −1.7 | (−20.7; 17.3) | −9.6 | (−27.8; 8.6) | −16.8 | (−47.7; 14.1) | −3.0 | (−18.0; 11.9) |
| RMSPE, % | 9.8 | 13.3 | 23.0 | 8.2 | ||||
| PW10, % (95% CI) | 71.4 | (64.3; 77.7) | 50.8 | (41.9; 57.0) | 33.5 | (21.9; 40.8) | 84.9 | (78.9; 89.7) |
| PW20, % (95% CI) | 95.1 | (91.0; 97.7) | 88.1 | (82.5; 92.4) | 56.2 | (48.7; 63.5) | 96.2 | (92.3; 98.5) |
| N | 185 | 180 | 172 | 170 | ||||
| HS 5 | ||||||||
| MPE, % (LOA %) | −4.6 | (−28.6; 19.5) | −19.4 | (−41.9; 3.1) | −34.5 | (−62.1; 6.8) | −3.1 | (−15.4; 9.2) |
| RMSPE, % | 13.0 | 22.5 | 37.2 | 6.9 | ||||
| PW10, % (95% CI) | 60.9 | (45.4; 74.9) | 17.5 | (16.0; 43.4) | 7.9 | (1.7; 21.4) | 91.7 | (77.5; 98.2) |
| PW20, % (95% CI) | 82.6 | (68.6; 92.2) | 42.5 | (27.0; 59.1) | 18.4 | (7.7; 34.3) | 94.4 | (81.3; 99.3) |
| N | 46 | 40 | 38 | 36 | ||||
N refers to the number of non-missing values.
Abbreviations: PW10, Percentage Error Within 10%; PW20, Percentage Error Within 20%; MPE, Mean Percentage Error; LOA, Limits of Agreement; RMSPE, Root Mean Square Percentage Error; CI, Confidence Intervals.