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

BMC Nutrition

Table 2 Nutrition assessment of Vitamin A in three age groups

Participants	Deficiency	Marginal deficiency	Insufficiency	Sufficiency	P-value
Elementary school students	3(1.0)	77(25.1)	143(46.6)	84(27.4)	0.000^a
Middle school students	0(0)	33(12.0)	103(37.6)	138(50.4)	0.000^b
Adults	0(0)	22(3.7)	156(26.0)	422(70.3)	0.000^c
Total	3(0.3)	132(11.2)	402(34.0)	644(54.5)	0.000^d

Note: all data were shown in n (%); deficiency: < 100 ng/ml; marginal deficiency: 100~ 200 ng/ml; insufficient: 200~ 300 ng/ml; sufficient: ≥ 300 ng/ml
^a results of Chi-Square tests for the comparison of elementary school students, middle school students, and adults (the cut-off value of P is 0.05)
^b results of Chi-Square tests for the comparison with elementary school students (the cut-off value of P with Bonferroni correction is 0.05/3)
^c results of Chi-Square tests for the comparison with elementary school students (the cut-off value of P with Bonferroni correction is 0.05/3)
^d results of Chi-Square tests for the comparison with middle school students (the cut-off value of P with Bonferroni correction is 0.05/3)

ISSN: 2055-0928