Sentences with phrase «hazard model estimates»

Not exact matches

We further extended our second multivariable model to evaluate the influence on our estimates by adjustment for additional nutrients known to be constituents of milk, but the hazard ratios were only changed by 4 % or less.
This finding is important because government agencies and consulting companies use 2 - D shallow flow models to predict dam breaks and floods, as well as to estimate flood hazards.
Survival rates were estimated using the Kaplan - Meier method and compared using the log - rank test and Cox proportional hazard models.
«In our opinion, regulators should require industry to undergo this kind of numerical modeling testing prior to drilling to better estimate the potential hazard beforehand,» continues Jeoung Seok Yoon.
Overeem's technique «has the potential to give good quantitative rainfall estimates for real - time hazards forecasting, as well as regional and global climate model analysis in regions of the world where the impact could be great,» Baeck says.
We can now use these new models to better estimate the potential seismic and volcanic hazards
Cumulative death rates were summarized using Kaplan Meier curves, and hazard ratios were estimated using Cox proportional hazards models.
In an unadjusted Cox model, alendronate treatment was associated with lower of risk of hip fracture (hazard ratio [HR], 0.35; 95 % CI, 0.23 - 0.55), and the risk estimate did not substantially change in multivariable - adjusted Cox models (Table 2 and Figure 3).
Hazard ratios (HRs) were estimated using Cox proportional hazards models stratified by age, prior disease (if appropriate), and randomization status in the WHI dietary modification trial.
Univariate hazard estimates were generated with unadjusted Cox proportional hazards models.
We used Cox proportional hazard models to estimate hazard ratios (HRs) and 95 % confidence intervals (CIs) of mortality according to fitness, adiposity, age, smoking status, abnormal exercise ECG responses, and baseline medical condition exposure categories.
Next, we fitted Cox proportional hazard models to estimate hazard ratios and 95 % confidence intervals according to each exposure variable.
Transforming hazard into risk: Researchers at Berkeley Lab, LLNL and UC Davis are utilizing ground motion estimates from a regional - scale geophysics model to drive infrastructure assessments.
Hazard ratios and 95 % confidence intervals for mortality associated with coffee consumption were estimated with the use of Cox proportional - hazards regression models, with person - years as the underlying time metric; results calculated with age as the underlying time metric were similar.
Hazard ratios for death associated with categories of coffee consumption (< 1, 1, 2 or 3, 4 or 5, and ≥ 6 cups per day), as compared with no coffee consumption, were estimated from a single model.
We used time - varying Cox proportional hazards regression models with age as the time scale to estimate the hazard ratio (HR) and 95 % CI for mortality associated with animal and plant protein intake.
We estimated hazard ratios (HRs) and 95 % confidence intervals (CIs) with time since entry into the study as the underlying time metric using Cox proportional hazards regression models.
Relative risks of clinical depression were estimated using Cox proportional hazards regression models.
Their Landslide Hazard Assessment for Situational Awareness (LHASA) model melds information regarding slope, lithology, deforested areas, and proximity to fault zones and roads to derive a map of landslide susceptibility, which is then combined with satellite - derived estimates of precipitation from the past week to develop «nowcasts» of areas that are susceptible to landslides.
The risk assessment framework comprises hydrological modelling, threshold - based evaluation of extreme event magnitude and frequency, fully integrated 2D flood hazard mapping, updated exposure maps, country - specific depth - damage functions and improved vulnerability information to estimate current and future flood risk.
We also estimated Cox proportional hazard models to identify demographic and placement history characteristics associated with the risk of child welfare services involvement.
We use a Cox proportional hazard model to estimate the relative hazard of a second birth.
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