Overall HPV positivity, and both high risk and low risk types are most prevalent in women under age 20, with decreasing prevalence seen up to approximately age 60.
The second is the decreasing prevalence of wildlife in nature, where half of all species could be extinct by the end of the century.
The objective was to evaluate effectiveness of a standardized footbath protocol in decreasing prevalence of active DD lesions in lactating dairy cattle.
Over time there was a decreasing prevalence of aortic valve opening and an increasing prevalence of mild to moderate aortic insufficiency independent of pump speed.
The decreasing prevalence of foreclosures in the monthly transactional mix is due to both seasonality (more non-foreclosure sales in the spring and summer) combined with the much slower pace of foreclosure liquidations over the past year.
From this analysis, the decreasing prevalence of hyponatremia and the increasing incidence of hypernatremia are also clearly visible for the five consecutive time periods.
In addition, the evidence of a decreasing prevalence of migraine-type headache after menopause supports the involvement of factors other than estrogen [17].
With decreasing prevalence the absolute margin of error decreases, but the relative margin of error (ie, margin of error/prevalence) increases.
Pleomorphic adenomas are the most common benign primary lesions of the salivary glands, and occur in the parotid, sublingual and submandibular glands, in order of decreasing prevalence [15].
In addition, they found a statistically significant trend toward decreasing prevalence of headache, migraine and TTH with increasing age at menarche.
Moreover, there were significant trends of decreasing prevalence of migraine and non-migraine headache with the increasing number of alcohol units consumed [28, 31].
