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Adverse Events
The values are the number of patients (%). LA: local anesthetic. Group 1: infraclavicular block with 30 ml of 0.5% ropivacaine. Group 2: infraclavicular block with 40 ml of 0.5% ropivacaine. Group 3: infraclavicular block with 40 ml of 0.75% ropivacaine. *P < 0.05 among groups.
