Skip to main content
Key Specialties
Cardiology Diabetology Endocrinology Gastroenterology Geriatrics and Gerontology Gynecology and Obstetrics Hematology Infectious Disease Internal Medicine Nephrology Neurology Oncology Pediatrics Respiratory Medicine Rheumatology Surgery
Congress Coverage
2024 ACC Congress 2023 ESMO Congress 2023 EASD Congress 2023 ERS Congress 2023 ESC Congress
Clinical Collections
Advances in Alzheimer’s

Keynote webinar | Spotlight on medication adherence

LIVE: Thursday 27th June 2024, 18:00-19:30 (CEST)
Join our expert panel to discover why you need to understand the drivers of non-adherence in your patients, and how you can optimize medication adherence in your clinics to drastically improve patient outcomes.
ADVANCED SEARCH
Log in
Top
Critical Care
Published in: Critical Care 6/2011

01-12-2011 | Letter

Balanced study groups in a randomized trial - authors' response

Authors: Jan Benes, Ivan Chytra, Richard Pradl, Eduard Kasal

Published in: Critical Care | Issue 6/2011

Login to get access

Excerpt

Thank you for giving us the chance to reply to the comment raised by Dr Munis [1]. As we wrote in the Materials and methods section of our article [2], we used a sealed envelope, simple randomization procedure in a 1:1 proportion of intervention to control. No stratification was performed, although there are some factors affecting the study group homogeneity. …
Literature
1.
2.
Benes J, Chytra I, Altmann P, Hluchy M, Kasal E, Svitak R, Pradl R, Stepan M: Intraoperative fluid optimization using stroke volume variation in high risk surgical patients: results of prospective randomized study. Crit Care 2010, 14: R118. 10.1186/cc9070PubMedCentralCrossRefPubMed
3.
Van der Linden PJ, Dierick A, Wilmin S, Bellens B, De Hert SG: A randomized controlled trial comparing an intraoperative goal-directed strategy with routine clinical practice in patients undergoing peripheral arterial surgery. Eur J Anaesthesiol 2010, 27: 788-793. 10.1097/EJA.0b013e32833cb2ddCrossRefPubMed
4.
Boyd O, Grounds RM, Bennett ED: A randomized clinical trial of the effect of deliberate perioperative increase of oxygen delivery on mortality in high-risk surgical patients. JAMA 1993, 270: 2699-2707. 10.1001/jama.1993.03510220055034CrossRefPubMed
5.
Mayer J, Boldt J, Mengistu A, Rohm K, Suttner S: Goal-directed intraoperative therapy based on autocalibrated arterial pressure waveform analysis reduces hospital stay in high-risk surgical patients: a randomized, controlled trial. Crit Care 2010, 14: R18. 10.1186/cc8875PubMedCentralCrossRefPubMed
Metadata
Title
Balanced study groups in a randomized trial - authors' response
Authors
Jan Benes
Ivan Chytra
Richard Pradl
Eduard Kasal
Publication date
01-12-2011
Publisher
BioMed Central
Published in
Critical Care / Issue 6/2011
Electronic ISSN: 1364-8535
DOI
https://doi.org/10.1186/cc10549

Other articles of this Issue 6/2011

Critical Care 6/2011 Go to the issue

Research

Pandemic and post-pandemic Influenza A (H1N1) infection in critically ill patients

Research

Effects of probiotics on serum levels of Th1/Th2 cytokine and clinical outcomes in severe traumatic brain-injured patients: a prospective randomized pilot study

Research

Baseline characteristics and hospital mortality in the Acute Heart Failure Database (AHEAD) Main registry

Commentary

Positioning of patients with acute respiratory distress syndrome: combining prone and upright makes sense

Research

Dipyridamole augments the antiinflammatory response during human endotoxemia

Review

Year in review 2010: Critical Care - cardiac arrest and cardiopulmonary resuscitation