. 2012 Apr-Jun;16(2):75–80. doi: 10.4103/0972-5229.99110
Copyright: © Indian Journal of Critical Care Medicine
This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Table 2.
General characteristics at randomization
