Sentence examples for previous studies stated from inspiring English sources

Previous studies stated that social network position may be influenced by the health statuses of older adults [ 7, 54], suggesting that the causal relationship between social network structure and health could be reversed or bi-directional.

Previous studies stated that data based on surveys of physicians could introduce selection bias of enrolling physicians who might be particularly interested in paediatric health, resulting in overestimation of the frequency of assessments [ 20, 22, 47].

Previous studies state that for a young, healthy person the chance of sudden cardiac death during exercise is one in two hundred thousand to one in two hundred and fifty thousand, which, according to Harmon and Drezner, largely underestimates reality.

The analysis has confirmed the results of previous studies stating that the variability over time of farm income is high even if some limited differences among farm groups exist.

This finding is consistent with a review that showed high headache frequency to be an important modifiable risk factor in migraine chronification progression [44] and with previous studies stating that headache frequency in particular may be a risk factor for onset MOH [8, 45].

This result was to a large extent consistent with previous studies stating that there is a strong preference for short aliphatic amino acids (Gly, Ser, Ala, Met and Cys) in this position [18].

Although previous studies state that scleral buckling surgery reduces choroidal blood flow, the results are not consistent.

These results are in accordance with previous studies stating that HER2/neu breast cancers are associated with preferential hypermethylation of several genes [ 21- 23].

These results are in accordance with previous studies stating that cerebral blood flow is reduced and cerebrovascular resistance is increased in sepsis-associated encephalopathy [ 1, 17].

This result agrees with our previous observation that most breakpoints avoid non-coding conserved regions and is consistent with previous studies stating that most gene deserts are not broken by evolutionary breakpoints [ 18].

This effect has been discussed in previous studies stating that focusing on population averages instead of individual response strengthens the correlation coefficient due to less impact from situational and person-related factors which otherwise increases the variation [ 28].