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. 2012 Feb 20;62(2):130–134. doi: 10.4097/kjae.2012.62.2.130

Fig. 1.

Fig. 1

Verbal numerical rating scale (VNRS) according to the time interval after arthroscopic shoulder surgery. Values are expressed as mean ± SD. *P < 0.05 compared with Group I. Group I: 1 ml normal saline as an adjuvant to 10 ml of 0.5% levobupivacaine for interscalene brachial plexus blockade, Group II: 1 ml of 5 mg dexamethasone as an adjuvant to 10 ml of 0.5% levobupivacaine for interscalene brachial plexus blockade, Group III: 1 : 400,000 epinephrine as an adjuvant to 10 ml of 0.5% levobupivacaine for interscalene brachial plexus blockade.