Table 3 Overall results for the three scaling methods in children of different ages

Age	Scalingmodel	Precision	Bias	Percentage of predicted doses			Fold range ofpredicted/BNFcdose
Age	Scalingmodel	Precision	Bias	Within±25% ofBNFcdose	Within±50% ofBNFcdose	Within2-fold ofBNFc	Fold range ofpredicted/BNFcdose
1 month	BW	0.11	−0.26	47	90	90	0.23–1.14
	BSA	0.85	0.85	3.3	27	60	0.59–2.86
	BW^0.75	0.72	0.72	20	73	80	0.55–2.66
12 months	BW	0.10	−0.26	43	83	93	0.28–1.14
	BSA	0.33	0.41	30	60	90	0.54–2.17
	BW^0.75	0.31	0.33	37	70	93	0.51–2.04
7 years	BW	0.12	−0.25	40	83	93	0.28–1.17
	BSA	0.10	0.15	60	93	97	0.44–1.8
	BW^0.75	0.04	0.04	70	93	97	0.4–1.62
12 years	BW	0.10	−2.56	43	97	97	0.28–1.14
	BSA	0.06	−0.03	60	97	97	0.37–1.48
	BW^0.75	0.06	−0.11	60	97	97	0.34–1.36