Sentence examples for by internal standardisation using from inspiring English sources

Recovery checks by internal standardisation using chemically synthesised stable isotope-labelled reference compounds had to be omitted so as not to interfere with the 13C tracing experiments.

Age-standardised registration rates were calculated by direct standardisation using the population of the catchment area in 2000 as reference.

For each site, an age-standardised incidence rate for each calendar period was calculated by direct standardisation, using the European standard population.

Age-adjusted rates are obtained by direct standardisation using the 2000 population.

Sensitivity analyses on the cardiovascular disease rates in Tables  1, 2 and 3 were done by performing direct standardisation using the European population [ 15] as reference and comparing 95% CIs.

All rates were age-adjusted by means of direct standardisation using the European Standard Population as reference.

The fact that calibration points produced by using tablets pressed from concentrates with very different Fe and Mn concentrations (and therefore different colours and structures) give nearly perfect calibration lines for the majority of tested elements, clearly demonstrates the efficacy of the internal standardisation procedure used.

Mortality rates were adjusted for age by using the direct method of standardisation, using the European Standard Population as the reference population.

Reliability was determined by internal consistency using Cronbach's alpha.

In both cohorts, we defined small for gestational age as below the 10th centile of birth weight adjusted for gestational age at birth using internal standardisation by cohort.

Indirect standardisation used 5 years age intervals.