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Table 6 Surveys of serum vitamin A status in Provinces of China

From: The survey of serum retinol of the children aged 0~4 years in Zhejiang Province, China

Survey date Sample resource Sample size Age group (y) Detection method Serum retinol (μmol/L) No. Of VAD(%) No. of low vitamin A status(%)
October 2006 Zhejiang Province 357 0~4 HPLC-UV 1.65 ± 0.47 11(3.08) 26(7.28)
October 2002 Fujiang Province [36] 3185 0~5 fluoresce nce -- 200(6.3) 838(26.3)
June 2000 Liaoning Province [37] 10,784 0~6 fluoresce nce 1.20 ± 0.44 1132(10.5) 3570(33.1)
April 2000 Jiangsu Province [38] 1170 0~5 fluoresce nce -- 154(13.2) --
March 2000 Shandong Province 613 0~5 fluoresce nce 1.1 48(7.8) 202(32.9)
December 1999 Inner Mongolia 636 0~5 fluoresce nce 0.96 117(18.4) 308(48.4)
December 1999 Tibet 1257 0~6 Fluoresce nce 1.09 ± 0.32 106(8.4) 483(38.4)
December1999 China 8669 0~6 fluoresce nce 1.06 ± 0.33 1018(11.7) 3396(39.2)