<p>The propensity scores of unmatched patients were significantly different between the early- and late-start groups. The propensity scores of matched patients were almost the same between groups.</p
Propensity-score methods are increasingly being used to reduce the impact of treatment-selection bia...
Description of demographic characteristics before and after propensity scoring matching.</p
<p>Comparison of demographic, past medical history, and clinical factors, between direct presenters ...
<p>Propensity score distribution in the insured and uninsured groups before propensity score matchin...
<p>Distribution of propensity scores of study participants in the breastfed and non-breastfed groups...
Clinicopathological characteristics for patients in two cohorts before and after propensity score ma...
<p>Distribution of propensity scores with overlaid kernel density estimate of study participants in ...
<p>Patients' demographic characteristics and perioperative factors, before and after propensity scor...
<p>The groups are comparable because there is sufficient overlap in the propensity score within each...
Intergroup comparability is of paramount importance in clinical research since it is impossible to d...
Values are expressed as the mean (SD), median (interquartile range), or n (proportion).</p
<p>Comparison of covariate balance before and after one to one matching across studies, with or with...
<p>Results of propensity score matching for weekday and weekend admissions in the hospitalist-care c...
The assessment of treatment effects from observational studies may be biased with patients not rando...
Propensity score matching was applied for each cohort using the covariates gender, age, region, and ...
Propensity-score methods are increasingly being used to reduce the impact of treatment-selection bia...
Description of demographic characteristics before and after propensity scoring matching.</p
<p>Comparison of demographic, past medical history, and clinical factors, between direct presenters ...
<p>Propensity score distribution in the insured and uninsured groups before propensity score matchin...
<p>Distribution of propensity scores of study participants in the breastfed and non-breastfed groups...
Clinicopathological characteristics for patients in two cohorts before and after propensity score ma...
<p>Distribution of propensity scores with overlaid kernel density estimate of study participants in ...
<p>Patients' demographic characteristics and perioperative factors, before and after propensity scor...
<p>The groups are comparable because there is sufficient overlap in the propensity score within each...
Intergroup comparability is of paramount importance in clinical research since it is impossible to d...
Values are expressed as the mean (SD), median (interquartile range), or n (proportion).</p
<p>Comparison of covariate balance before and after one to one matching across studies, with or with...
<p>Results of propensity score matching for weekday and weekend admissions in the hospitalist-care c...
The assessment of treatment effects from observational studies may be biased with patients not rando...
Propensity score matching was applied for each cohort using the covariates gender, age, region, and ...
Propensity-score methods are increasingly being used to reduce the impact of treatment-selection bia...
Description of demographic characteristics before and after propensity scoring matching.</p
<p>Comparison of demographic, past medical history, and clinical factors, between direct presenters ...