| Title |
Breastfeeding and vitamin D status in Greece during the first 6 months of life
|
|---|---|
| Published in |
European Journal of Pediatrics, September 2005
|
| DOI | 10.1007/s00431-005-1757-1 |
| Pubmed ID | |
| Authors |
Anna Challa, Agathi Ntourntoufi, Vasilios Cholevas, Maria Bitsori, Emmanuel Galanakis, Styliani Andronikou |
| Abstract |
Since no foods are vitamin D supplemented in Greece, vitamin D status was assessed in mothers at birth and their infants up to the first 6 months of life, while they were exclusively breast-fed. This was a prospective study. Full-terms (n =35) born during the summer-autumn months and their mothers were assigned to the summer group and the remainder (n =31) to the winter group. One week after birth, serum 25-hydroxyvitamin D (25OHD) was significantly lower in the winter-born than in the summer-born neonates (6.7+/-0.7 vs. 10.1+/-0.9 ng/ml, P <0.01). The respective levels of parathyroid hormone (iPTH) were 64.9+/-13.4 and 33.9+/-4.4 pg/ml (P <0.01). The mothers had serum 25OHD levels of 10.8+/-1.0 ng/ml and iPTH levels of 15.2+/-3.5 pg/ml in the winter and 12.9+/-1.3 ng/ml and 24.8+/-4.8 pg/ml in the summer. During the 6-month follow-up, a steady increase in circulating 25OHD (up to 19.4+/-2.8 ng/ml, P <0.0001) and a decrease in iPTH (to 26.8+/-3.5 pg/ml, P =0.10) were observed in the infants born in the winter. In the summer-born infants, serum 25OHD did not change but iPTH had increased significantly by the 3rd month (59.4+/-21.8, P <0.05). Serum calcium (Ca) increased within normal limits during the study period in both groups. Serum phosphorus (Pi) started higher in the winter group (7.43+/-0.38 vs. 6.27+/-0.23 mg/dl, P <0.01) but thereafter, it was similar in both groups. Total alkaline phosphatase (ALP) increased in both groups during the study (164+/-15 vs. 219+/-17 IU/l, P <0.05 and 189+/-14 vs. 288+/-35 IU/l, P <0.001, respectively). Serum osteocalcin (OC) decreased in the winter-born neonates (32.0+/-3.4 vs. 21.5+/-3.4 ng/ml, P <0.05) and did not change in the summer group (28.9+/-3.5 vs. 26.5+/-2.8 ng/ml). |
Mendeley readers
The data shown below were compiled from readership statistics for 44 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Greece | 1 | 2% |
| Unknown | 43 | 98% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Researcher | 6 | 14% |
| Student > Master | 6 | 14% |
| Other | 4 | 9% |
| Student > Bachelor | 4 | 9% |
| Student > Ph. D. Student | 3 | 7% |
| Other | 14 | 32% |
| Unknown | 7 | 16% |
| Readers by discipline | Count | As % |
|---|---|---|
| Medicine and Dentistry | 17 | 39% |
| Nursing and Health Professions | 6 | 14% |
| Agricultural and Biological Sciences | 3 | 7% |
| Mathematics | 1 | 2% |
| Chemical Engineering | 1 | 2% |
| Other | 5 | 11% |
| Unknown | 11 | 25% |
Attention Score in Context
This research output has an Altmetric Attention Score of 3. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 25 October 2013.
All research outputs
#7,445,163
of 22,759,618 outputs
Outputs from European Journal of Pediatrics
#1,457
of 3,686 outputs
Outputs of similar age
#20,408
of 58,658 outputs
Outputs of similar age from European Journal of Pediatrics
#5
of 8 outputs
Altmetric has tracked 22,759,618 research outputs across all sources so far. This one is in the 44th percentile – i.e., 44% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,686 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 7.6. This one is in the 41st percentile – i.e., 41% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 58,658 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 14th percentile – i.e., 14% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 8 others from the same source and published within six weeks on either side of this one. This one has scored higher than 3 of them.