Table 2

Development of deciduous teeth in children born preterm who received mineral supplemented (CaP+) or unsupplemented (CaP−) breastmilk and vitamin D 500 IU/day or 1000 IU/day in the neonatal period

		CaP+					p Value^2-150
		500 IU/day						1000 IU/day		500 IU/day		1000 IU/day
		n	Median (range)					n	Median (range)	n	Median (range)	n	Median (range)
Chronological age at eruption of first tooth (months)^2-151	4	10 (6–15)		4	9 (7–10)	11	8 (6–17)	9	9 (5–11)	0.93
Corrected age at eruption of first tooth (months)^2-151	4	7 (3–12)		4	6 (6–8)	11	6 (2–16)	9	7 (3–8)	0.91
Number of teeth at 1 year of age^2-152	4	4 (0–8)		4	4 (1–8)	11	5 (0–8)	10	6 (1–8)	0.75
Number of teeth at 2 year of age	4	16 (16–17)		5	16 (14–18)	11	16 (11–18)	10	16 (15–19)	0.99

↵2-150 Kruskall-Wallis non-parametric analysis of variance.
↵2-151 n = 4 + 4 + 11 + 9 = 28; information missing on eruption of first tooth in two children.
↵2-152 n = 4 + 4 + 11 + 10 = 29; data missimg on number of teeth at 1 year of age in one child.