Sentence examples for prevalence before from inspiring English sources

The cause of this demyelination is not known, but genetics may be a factor in a person's susceptibility to MS. Also, the influence of an environmental agent is strongly suggested by variability between regions of the same geographic area and by the increased risk of developing MS in people who migrate from an area of low MS prevalence to one of high prevalence before 14 years of age.

Because of the limited data available prior to the 2004 Indian Ocean tsunami, it is difficult to compare malaria prevalence before and after the disaster.

Migraine prevalence before ASD closure was compared with that reported in the Japanese general population [7], after adjustment for sex and age.

Two-level random effects models were used to assess the contribution of schools to the variance in asthma prevalence before and after controlling for individual attributes.

Based on increases in the pH1N1 antibody prevalence before and after the first pandemic wave, 16% of NSW residents were infected by pH1N1 in 2009; the highest infection rates (27%) were among adolescents and young adults.

Here, we included in the model a slightly reduced transmissibility for non-vaccine serotypes; even with identical carriage durations, this allowed us to reproduce the observed differences in prevalence before the introduction of the vaccine.

We also calculated the predicted prevalence of an elevated A1C level according to iron deficiency status, and differences between prevalences before and after adjustment for the covariates mentioned above.

We compared age-specific asthma prevalences before 9/11 and at the time of the interview with rates of self-reported asthma from the 2003 National Health Interview Survey (NHIS) (Centers for Disease Control and Prevention 2003).

Besides, in two of the subgroups, limbs and urinary anomalies, improvements in case ascertainment cannot be completely ruled out, as prevalences before the observed sudden rise were clearly below the average prevalences reported from other registries.

PCV7 serotype prevalences before and after PCV7 implementation, respectively, were 38% and 8% among 11-month-old children, 36% and 4% among 24-month-old children, and 8% and 1% among parents.

A phased implementation or 'stepped wedge design' was applied by grouping neighbourhoods (hereafter: clusters) into three random, risk-stratified blocks (A, B and C) to allow for impact analyses over time and comparison of prevalences before and after one or two screening rounds.