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) |