Table 1.

Chondrotoxicity results across experimental groups.

Percent viability	Normal saline	0.5% bupivacaine	1.3% liposomal bupivacaine	1.3% liposomal bupivacaine vs. 0.5% bupivacaine
30 minutes	74 ± 18%	46 ± 18% p=0.004a	54 ± 21% p=0.035a	p=0.305
90 minutes	67 ± 24%	21 ± 14% p < 0.001a	49 ± 20% p=0.034a	p=0.003

^a p value reported against saline control.