Table 1.
Comparison of the plasma VA assessed by High Performance Liquid Chromatography in the Laboratory of Alimentation and Nutrition (LAN) and in the Swiss Institute of Vitamin (SIV).
| Population N=size |
Analytical laboratory |
Mean of VA (µmol/l) ± SD |
Camparison Probability |
Prevalence of VAD (number of cases) |
| Errachidia N=30 |
LNA | 0.822 ± 0.174 | 0.343 | 23.3% (7) |
| SIV | 0.868 ± 0.216 | 20% (6) | ||
| Beni-Mellal N=30 |
LNA | 0.794 ± 0.177 | 0.953 | 36.7% (11) |
| SIV | 0.797 ± 0.221 | 36.7% (11) | ||
| All subjects N=60 |
LNA | 0.812 ± 0.184 | 0.571 | 30% (18) |
| SIV | 0.833 ± 0.218 | 28.3% (17) |