Sentence examples for prevalence of background from inspiring English sources

Five case series reported the prevalence of background abnormalities in septic patients [ 18, 20- 23].

There were no significant differences in the prevalence of background dementia or number of precipitating causes of delirium.

However the low prevalence of background HBV infection suggests that the infection in the IDU population is primarily due to contact between IDUs (needle sharing or sexual contact).

Our characterizations of symbiont communities using high-throughput sequencing data provide further evidence for the prevalence of background strains of Symbiodinium at low frequencies.

The diagnostic sensitivity of the IHA at admission is only 56%, and the variable prevalence of background seropositivity in areas where melioidosis is endemic reduces its specificity (62 – 62 ).

There was no significant difference in the prevalence of background medical conditions among the patients who required hospitalization in the ICU and those who did not (data not shown).

These studies both reported a high prevalence (>80%) of background abnormalities.

The prevalence of parasitaemia in children admitted with trauma (as a measure of background prevalence in the non-febrile community) has reduced from >20% in 2002 to <1% in 2007 (O'Meara et al., 2008).

Sexual risk factors in men showed greater differences in risk between levels of background prevalence than in women, although these differences by area were also not statistically significant.

The advantage of matching would be to increase the power of season-stratified analyses, whereas constant recruitment would assure adequate measurement of background prevalence of risk factors and etiology in all seasons.

The age-related decrease in risk of background prevalence of hypothyroidism for both sexes was also in agreement with the decline reported in other populations of comparable age (Marwaha et al. 2008; Zurakowski et al. 1999).