… The query string template, “pain and (chronic or persistent) and (low income countries or
middle income countries or LMIC or Africa or Asia or Central America or Latin America or South …

… Changes in these latter percentages over time made up the focus of this study. Where regional
or other averages (means) are given, they are unweighted, so every country receives the …

… trends in the prevalence of vitamin A deficiency between 1991 and 2013 and its mortality
burden in low-income and middle-income … We modelled trends over time as a linear trend. We …

… to examine trends in first-authorship by researchers from LMIC institutions over time (LMIC …
We also examined trends in last (senior)-authorship in order to better understand the overall …

… countries (LMICs) and to look at patterns across time, regions and countries.5 Using … , we
look at trends in the SMAM which allows for analysis of truncated data across time and place. …

… track the changes or trends in the epidemic over time. Assessing trends in HIV prevalence is
… can be used to assess trends in HIV prevalence over time. Antenatal clinic surveillance has …

… Generally, women are somewhat more overweight than men in low-and middleincome … at
the expense of traditional time-intensive products. As both the time and money costs of food fall…

… We extracted data on the absolute number of neurosurgeons per low and middle-income
countries (LMICs) in 2016 from the database of the global neurosurgical workforce mapping …

… -income and 43.6% in upper-middle income countries, compared with 30.1% in lower-middle
income and 30.6% in low-income … -middle-income countries and high-income countries …

… is available with regard to trends over time. In this study, we assessed 22-year nutrition
trends in the Seychelles using data from three studies conducted in 1989, 2004 and 2011. …