Figure 3 : Length of stay (LOS): Boxplot comparing LOS ofgroups 1 to 4 (≤24, >24 to ≤48, >48 to ≤72 and >72 hours ofepidural analgesia, respectively), results are median and IQR.

*: group 1 vs. group 2, p=0.033. †: group 4 vs. groups 1, 2 and 3, p=0.036, p<0.001 and p<0.001 respectively.

Koolwijk et al.Journal of Anesthesiology and Clinical Science  2013 2:27DOI : 10.7243/2049-9752-2-27