Nutrition assessment of vitamin A and vitamin D in northeast Chinese population based-on SPE/UPLC/PDA

BMC Nutrition

Table 1 Serum 25OHD3 and retinol levels of all participants

Participants	25OHD₃ (ng/ml)	P-value	Retinol (ng/ml)	P-value
Elementary school students	17.8 ± 7.3	0.000 ^a	255.5 ± 78.2	0.000 ^a
Middle school students	15.4 ± 6.1	0.000 ^b	319.8 ± 113.3	0.000 ^b
Adults	15.3 ± 5.7	0.000 ^c	369.1 ± 116.8	0.000 ^c
Total	16.1 ± 6.7	1.000 ^d	328.1 ± 117.1	0.000 ^d

^a results of One-way ANOVA for the comparison of elementary school students, middle school students, and adults
^b results of One-way ANOVA (Bonferroni correction) for the comparison with elementary school students
^c results of One-way ANOVA (Bonferroni correction) for the comparison with elementary school students
^d results of One-way ANOVA (Bonferroni correction) for the comparison with middle school students

ISSN: 2055-0928