Foetal weight prediction models at a given gestational age in the absence of ultrasound facilities: application in Indonesia

Table 3 Accuracy comparisons between the proposed and existing models

Sample size n = 38
(ABW - EFW_p)	Mean prediction error (g)	MAPE (%)	MEDAPE (%)	Error distribution	Number of estimates within 10% of ABW (%)
Our recommended models
Model (1)	2.42	5.01	4.10	Normal (p-value > 0.05)	92
Model (2)	−0.20	5.10	4.16		92
Model (3)	−1.62	5.10	4.22		89
Model (4)	−0.29	5.10	4.16		92
Existing clinical models
Johnson (1957) [15]	31.18	5.28	4.73	Normal (p-value > 0.05)	89
Risanto I (1995) [22]	149.56	5.95	5.37		84
Risanto II (2014) [23]	152.37	6.00	5.45		84
Niswander (1970) [16]	400.95	12.24	12.07		37
Mod Niswander (1999) [17]	457.68	13.70	14.16		29
Mhaskar (2003) cited in [65]	405.26	12.59	12.86		32
Gayatri (2006) [24]	471.05	14.02	15.15		26
Buchmann-Tlale (2009) [18, 66]	571.05	17.12	18.18		11
Santjaka (2011) [25]	− 2411.95	75.33	72.24		0
Mongelli-Gardosi (2004) [19]	1348.35	41.93	42.40		0
Yiheyis (2016) [45]	363.95	11.12	11.05		45
Existing ultrasonic models
Jordaan (1983) [46]	− 277.09	14.64	14.43	Normal (p-value > 0.05)	39
Weiner II (1985) cited in [60]	486.29	15.90	12.86		32
Hadlock 1984 [10]	−96.83	12.67	12.64		45
Hadlock 1991 [67]	− 42.75	11.74	9.88		50
Stirnemann 2016 [42]	−31.46	12.20	10.88		39
Sotiriadis 2017 [68]	230.72	10.88	9.43		50

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