| LITTNEROVÁ, Simona, Jiří JARKOVSKÝ, Jiří PAŘENICA, Tomáš PAVLÍK, Jindřich ŠPINAR a Ladislav DUŠEK. Why to use propensity score in observational studies? Case study based on data from the Czech clinical database AHEAD 2006-09. Cor et Vasa. Praha: Česká kardiologická společnost, 2013, roč. 55, č. 4, s. e383-e390, 8 s. ISSN 0010-8650. Dostupné z: https://dx.doi.org/10.1016/j.crvasa.2013.04.001. |
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@article{1137467,
author = {Littnerová, Simona and Jarkovský, Jiří and Pařenica, Jiří and Pavlík, Tomáš and Špinar, Jindřich and Dušek, Ladislav},
article_location = {Praha},
article_number = {4},
doi = {http://dx.doi.org/10.1016/j.crvasa.2013.04.001},
keywords = {Acute heart failure; AHEAD; Mortality; Propensity score},
language = {eng},
issn = {0010-8650},
journal = {Cor et Vasa},
title = {Why to use propensity score in observational studies? Case study based on data from the Czech clinical database AHEAD 2006-09},
volume = {55},
year = {2013}
}
TY - JOUR
ID - 1137467
AU - Littnerová, Simona - Jarkovský, Jiří - Pařenica, Jiří - Pavlík, Tomáš - Špinar, Jindřich - Dušek, Ladislav
PY - 2013
TI - Why to use propensity score in observational studies? Case study based on data from the Czech clinical database AHEAD 2006-09
JF - Cor et Vasa
VL - 55
IS - 4
SP - e383-e390
EP - e383-e390
PB - Česká kardiologická společnost
SN - 00108650
KW - Acute heart failure
KW - AHEAD
KW - Mortality
KW - Propensity score
N2 - Randomized clinical trials represent the gold standard of the evidence based medicine research; nevertheless they may not always be feasible or ethical and the researchers have to rely on observational studies or research databases. However, obtaining reliable results from these studies requires the elimination of potential influence of confounding factors. Fortunately, several statistical methods capable of identifying and reducing the impact of confounding factors exist. One of them is the propensity score which has been frequently used in recent times to estimate relevant clinical effects adjusted for given confounders. This work aims to provide a concise and practical guide to propensity scores by means of an easily understandable case study. The case study is focused on gender differences in mortality rates of patients with acute heart failure in the Czech research database AHEAD (Acute Heart Failure Database).
ER -
LITTNEROVÁ, Simona, Jiří JARKOVSKÝ, Jiří PAŘENICA, Tomáš PAVLÍK, Jindřich ŠPINAR a Ladislav DUŠEK. Why to use propensity score in observational studies? Case study based on data from the Czech clinical database AHEAD 2006-09. \textit{Cor et Vasa}. Praha: Česká kardiologická společnost, 2013, roč.~55, č.~4, s.~e383-e390, 8 s. ISSN~0010-8650. Dostupné z: https://dx.doi.org/10.1016/j.crvasa.2013.04.001.
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