Sentence examples for based on the stratified from inspiring English sources

The treatment hazard ratio (HR) and 95 % CI were based on the stratified log-rank test (the Pike estimator [ 18] ), stratifying for prior receipt of therapy for MBC (yes or no), and site of metastatic disease (visceral/soft tissue or bone only) was calculated for PFS and OS.

Firstly, a single-pressure compressible multifluid model based on the stratified flow model is proposed.

Based on the stratified random sampling design, a majority of the examined metals and organic contaminants demonstrated little or no trends with respect to regional sediment concentrations and river-wide mass balances over the investigated time interval.

This separation is based on the stratified language model suggested by Halliday & Hasan (1976) and Halliday (1985a).

This produced a set of maps of estimated ACD for the entire country of Perú at 1-ha resolution based on the stratified random sampling approach.

Based on the stratified simple random sampling technique [15], four villages were selected for collecting primary data on several household parameters through door-to-door interview.

A selective number of final year students, based on the proportionate stratified sampling were taken from each course and were asked about their preference towards their career choice after the completion of their degree (Table 7).

We computed unbiased estimates for each validation measure and the proportion of missing/unknown values for each variable associated with the statewide cohort, based on the original stratified random sampling design (R survey sampling module version 2.8) [ 12, 13].

Thus, its different sample size may affect the internal and external validity of this study, though the samples of both periods were based on the same stratified probability-sample design.

Thirty-four percent had no evidence of immunosuppression, 44% had mild-to-advanced immunosuppression and 22% of children were severely immunosuppressed based on the age-stratified CD4 thresholds adopted by the WHO classification[ 7].

After obtaining the final lists, a roughly equal number of males and females were randomly selected from each community using a random number generator based on the sex-stratified lists.