Sentence examples for presence of data on from inspiring English sources

The strengths of this study include its large sample size, prospective design, long-term follow-up, availability of data on tumour location, the presence of data on potential confounders, and measurement of both WC and CagA antibodies.

A total of 2526 patients who applied to the Gastroenterology Clinic of Antalya Training and Research Hospital from January 2010 to May 2011 were included in this retrospective case control study based on presence of data on routine stool microscopy, stool culture and parasitic investigations by a gastroenterology specialist.

Cox multivariate regression analysis of the contribution of HSP27 in the presence of data on ER, PR, stage, nodal status and histological grade indicated that HSP27 was not of independent prognostic importance for DFS or overall survival and was only of borderline significance for OS (P < 0.07).

Thereby, the presence of data can depend on the presence of other data and also on other data values.

The typical selection bias described in observational studies is due to conditioning on a common effect (one conditions on willingness to participate), as are Berkson's bias (conditioning on admission to hospital), loss to follow-up or missing data (conditioning on presence of data; occurs in both observational or randomized trials), some forms of Simpson's Paradox, etc [ 5, 12].

The product was determined to be a "food additive," for which there was no evidence of lack of safety, based on the presence of data in the public domain accepted by qualified scientists.

On the other hand, the presence of missing data on the MDS-derived scales (i.e., E1SUM and DRS) was essentially nil in both cognitive impairment groups.

However, encryption is ineffective under a forensic investigation mainly because the presence of encrypted data on a disk can be easily detected and disk owners can subsequently be forced (by law or other means) to release decryption keys.

These challenges along with presence of divisive data on the prognosis of PTMC urge accurate categorization of the aggressive subset of this malignancy.

Overall, the results of these studies highlight the presence of ambiguous data on the possible association between HCV infection and cardiovascular risk and the need for further studies in order to obtain external validation of these data in different, for example, per se "metabolic" and "nonmetabolic," populations.

The reliability of data on the presence and density of lithic scatters depends on careful evaluation, but straightforward evaluation depends on thoughtful research design.