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

BMC Nutrition

Table 3 Nutrition assessment of Vitamin D in three age groups

Participants	Severe deficiency	Deficiency	Insufficiency	Sufficiency	P-value
Elementary school students	26(8.5)	179(58.3)	84(27.4)	18(5.9)	0.000^a
Middle school students	47(17.2)	168(61.3)	53(19.3)	6(2.2)	0.001^b
Adults	76(12.7)	416(69.3)	94(15.7)	14(2.3)	0.000^c
Total	150(12.7)	764(64.7)	229(19.4)	38(3.2)	0.110^d

Note: all data were shown in n (%); severe deficiency: < 10 ng/ml; deficiency: 10~ 20 ng/ml; insufficient: 20~ 30 ng/ml; sufficient: ≥ 30 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