Title |
The relationship between N-terminal prosomatostatin, all-cause and cardiovascular mortality in patients with type 2 diabetes mellitus (ZODIAC-35)
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Published in |
BMC Endocrine Disorders, April 2015
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DOI | 10.1186/s12902-015-0009-2 |
Pubmed ID | |
Authors |
Peter R van Dijk, Gijs WD Landman, Larissa van Essen, Joachim Struck, Klaas H Groenier, Henk JG Bilo, Stephan JL Bakker, Nanne Kleefstra |
Abstract |
The hormone somatostatin inhibits growth hormone release from the pituitary gland and is theoretically linked to diabetes and diabetes related complications. This study aimed to investigate the relationship between levels of the stable somatostatin precursor, N-terminal prosomatostatin (NT-proSST), with mortality in type 2 diabetes (T2DM) patients. In 1,326 T2DM outpatients, participating in this ZODIAC prospective cohort study, Cox proportional hazards models were used to investigate the independent relationship between plasma NT-proSST concentrations with all-cause and cardiovascular mortality. Median concentration of NT-proSST was 592 [IQR 450-783] pmol/L. During follow-up for 6 [3-10] years, 413 (31%) patients died, of which 176 deaths (43%) were attributable to cardiovascular causes. The age and sex adjusted hazard ratios (HRs) for all-cause and cardiovascular mortality were 1.48 (95%CI 1.14 - 1.93) and 2.21 (95%CI 1.49 - 3.28). However, after further adjustment for cardiovascular risk factors there was no independent association of log NT-proSST with mortality, which was almost entirely attributable to adjustment for serum creatinine. There were no significant differences in Harrell's C statistics to predict mortality for the models with and without NT-proSST: both 0.79 (95%CI 0.77 - 0.82) and 0.81 (95%CI 0.77 - 0.84). NT-proSST is unsuitable as a biomarker for cardiovascular and all-cause mortality in stable outpatients with T2DM. |
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Unknown | 15 | 100% |
Demographic breakdown
Readers by professional status | Count | As % |
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Student > Bachelor | 2 | 13% |
Researcher | 2 | 13% |
Professor | 1 | 7% |
Student > Doctoral Student | 1 | 7% |
Student > Master | 1 | 7% |
Other | 1 | 7% |
Unknown | 7 | 47% |
Readers by discipline | Count | As % |
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Medicine and Dentistry | 2 | 13% |
Economics, Econometrics and Finance | 1 | 7% |
Psychology | 1 | 7% |
Unknown | 9 | 60% |