表 2.
妇女孕早期Vit.E营养状况
Serum Vit.E nutritional status of the women in the 1st trimester of gestational period
| Nutritional supplements use | n(%) | Vit.E concentration/(mg/L), median (P25-P75) | Vit.E nutritional status | |
| Normal, n(%) | Excessive, n(%) | |||
| The reference interval of serum Vit.E concentration is 5-20 mg/L, and >20 mg/L is defined as excess. FA, folic acid only; MM, multiple micronutrients. | ||||
| No-use | 1 710 (7.7) | 9.9 (8.7-11.5) | 1 709 (99.9) | 1 (0.1) |
| FA | 8 133 (36.7) | 9.9 (8.6-11.3) | 8 126 (99.9) | 7 (0.1) |
| MM | 12 328 (55.6) | 10.3 (8.9-11.8) | 12 293 (99.7) | 35 (0.3) |
| Total | 22 171 (100.0) | 10.1 (8.8-11.6) | 22 128 (99.8) | 43 (0.2) |