ArticleCalcified tissue international1990
Diurnal rhythm and 24-hour integrated concentrations of serum osteocalcin in normals: influence of age, sex, season, and smoking habits.
Article in Calcified tissue international, 1990. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 2 of them syntheses that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
9 citing papers in PubMed, 2 syntheses or guidelines pooled it.
- The utility of dried blood spot measurement of bone turnover markers in biological anthropology.American journal of human biology : the official journal of the Human Biology Council · 2022Pooled it
- Antiosteoporosis effect of tanshinol in osteoporosis animal models: A systematic review and meta-analysis.Frontiers in pharmacology · 2022Pooled it
- Effect of Ramadan fasting in Saudi Arabia on serum bone profile and immunoglobulins.Therapeutic advances in endocrinology and metabolism · 2015Article
- Bone turnover in passive smoking female rat: relationships to change in bone mineral density.BMC musculoskeletal disorders · 2011Article
- Vitamin d deficiency in cystic fibrosis.International journal of endocrinology · 2010Article
- Reference database of biochemical markers of bone turnover for the Japanese female population. Japanese Population-based Osteoporosis (JPOS) Study.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2004Article
- Circadian rhythm in type I collagen formation in postmenopausal women with and without osteopenia.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 1995Article
- Risk of osteoporosis in men with chronic bronchitis.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 1992Article
- Diurnal rhythm in serum osteocalcin: relation with sleep, growth hormone, and PTH(1-84).Calcified tissue international · 1991Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In the present study we examined whether the diurnal pattern and the 24-hour integrated serum concentration of osteocalcin (S-OC(I] showed any variation due to age, sex, season, or smoking habits in 31 normal subjects, aged 23-47 years. Blood samples were drawn every 60 minutes from 4 p.m. until 6 p.m. the following day. Serum osteocalcin showed diurnal variation as described earlier but no influence of age or sex on the diurnal variation could be demonstrated. Ten subjects were smokers, all consuming more than 10 cigarettes daily, but the diurnal variation in OC with time was not different from an age-, sex-, and height-matched group of strictly nonsmokers. Sixteen of the subjects were initially examined in March and 15 in November. Eight subjects were examined during a period in both November and March, and 5 of these went through an additional study period in July. These seasonal studies showed that the diurnal time course pattern during different seasons of the year were statistically indistinguishable from each other. The S-OC(I) was significantly higher in subjects below 29 years of age compared with subjects aged 30-40 years (P less than 0.01). Men had higher values than women (P less than 0.05). Moreover, S-OC(I) was higher in November compared to March (P less than 0.05). There was no effect of smoking on S-OC(I). A significant correlation existed between S-OC(I) and age (r = 0.50, P less than 0.005). Multiple regression showed that among age, height, and weight, only age and height were significant determinants for S-OC(I) (r = 0.50, P = 0.02).(ABSTRACT TRUNCATED AT 250 WORDS)
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