The investigation of serum phenylalanine levels based on infant feeding method: a cross-sectional study of children less than two years old with phenylketonuria (PKU)

Table 2 Anthropometric results for infants with phenylketonuria

Variable		Breastfed group (= 13)					Non- breastfed group (n = 21)
	KS	Mean ± SD	P25	Median	P75	Range (minimum–maximum)	Mean ± SD	P25	Median	P75	Range (minimum–maximum)	DF	P^*	test value
Age at the time of metabolic control (d)	0.001	131.31 ± 146.92 (46–486)	52.0	65.0	155.0	440 (46–486)	98.5 ± 83.9 (40–396)	60.0	65.0	96.0	356 (40–396)	34	0.83	130.5
Birth weight (kg)	0.200	3.14 ± 0.41	2.85	3.11	3.35	1 (3–4)	3.04 ± 0.48	2.65	3.20	3.50	2 (2–4)	32	0.53^*	-0.633
last weight (kg)	0.157	10.5 ± 2.54	8.10	11.0	12.7	8 (6–14)	10.1 ± 3.09	7.90	10.8	13.5	10 (4–14)	32	0.72^*	0.362
Birth height (cm)	0.199	48.8 ± 3.31	45.5	50.0	51.5	11 (43–54)	49.1 ± 3.41	47.0	49.0	50.0	16 (44–60)	32	0.77^*	-0.28
Last height (cm)	0.041	75.8 ± 8.67	69.0	77.0	83.5	25 (61–86)	75.9 ± 8.93	68.5	80.0	82.5	32 (56–88)	34	0.97^**	136.0
Birth head circumference (cm)	0.001	34.2 ± 3.00	32.0	33.0	36.0	11 (31–42)	33.9 ± 1.49	33.0	34.0	34.5	6 (31–37)	34	0.72^**	125.0
Last head circumference (cm)	0.020	44.4 ± 2.10	43.5	45.0	47.0	8 (39–47)	44.5 ± 3.23	42.0	45.0	47.0	12 (37–49)	34	0.95^**	124.5

The p-value is considered significant at < 0.05
KS Kolmogorov–Smirnov, SD standard deviation, DF degrees of freedom, p25 25th percentile, p75 75th percentile. Data are presented as means and standard deviation, median (minimum–maximum), range, and 25th -75th centiles
^*P values result from Two Independent Sample T-tests
^**P values result from Mann–Whitney U test

ISSN: 1746-4358