Table 5.
Predictive accuracy measure of the regression models for estimation of gestational age using newborn anthropometric parameters in four hospitals of North Shewa Zone, Oromia Region, Ethiopia.
| No. | Models | MAE | MAPE | Sig. |
|---|---|---|---|---|
| 1. | 16.55 + [0.689 × HC(cm)] | 1.38 | 3.62 | 0.0001 |
| 2. | 27.78 + [1.04 × MUAC(cm)] | 1.38 | 3.62 | 0.0001 |
| 3. | 23.84 + [1.88 × FL(cm)] | 1.39 | 3.65 | 0.0001 |
| 4. | 20.32 + [0.574 × CHC(cm)] | 1.35 | 3.55 | 0.0001 |
| 5. | 9.78 + [0.209 × CHC(cm)] + [0.607 × MUAC(cm)] + [0.727 × FL (cm)] + [0.322 × HC (cm)] | 1.21 | 3.15 | 0.0001 |
HC, head circumference; cm, centimeter; GA, gestational age; MUAC, mid-upper arm circumference; FL, foot length; CHC, chest circumference; MAE, mean absolute error; Sig, level of significance (P < 0.05).