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. Author manuscript; available in PMC: 2007 Sep 20.
Published in final edited form as: Reg Anesth Pain Med. 2007;32(1):46–54. doi: 10.1016/j.rapm.2006.10.010

Figure 2.

Figure 2

The costs and charges related to total knee replacement surgery for patients with an ambulatory continuous femoral nerve block (CFNB, “cases”) and hospital-only CFNB (“controls”). The horizontal lines demarcate the group means. Of the patients in the ambulatory CFNB group, the highest data point in every panel (except Professional Fees) denotes the one subject who required four days of hospitalization as a result of a bowel obstruction.