[Winter serum levels of 25-hydroxy-vitamin D in Ushuaia and Buenos Aires].

摘要: Public Health Annals recording diagnosis of nutritional rickets in patients admitted Hospitals disclosed that from birth to age 14, the period 1980-1981, incidence was 2.7 higher Patagonia (latitude 39 degrees S 55 S) compared with Pampeana Region and 8.5 than rest country. After informed parental consent 37 healthy children Buenos Aires (34 an (Av +/- 1 SD) 7.0 1.2 years, 29 13.1 1.5 years 63 Ushuaia (55 7.1 0.8 were studied at end winter (August). Serum levels 25-OH-D as follows (mean SE): Aires: 21.1 2.03 ng/ml (Average: seven old), 19.0 1.18 (children thirteen old) Ushuaia: 9.3 0.64 (p less 0.001) (Fig. 2). below 8 52% but only 9% Aires. calcium alkaline phosphatase similar two groups serum phosphate (Table 1). The intake greater (811 49 mg/day) (634 61 correlated (r = 0.50, p not 0.08). main source vitamin D fortified milk. These results a significantly diminished level Ushuaia.(ABSTRACT TRUNCATED AT 250 WORDS)