Local infiltration of analgesia and sciatic nerve block provide similar pain relief after total knee arthroplasty

Table 1 Patient characteristics

Variables	LIA group (n = 41)	SNB group (n = 38)	P value
Age (years)	74 (68–80)	76 (71–80.5)	0.356
Body mass index (kg · m⁻²)	25.0 ± 3.84	24.6 ± 3.46	0.475
Sex, F/M	30/11	29/9	0.750
ASA I/II/III	5/35/1	1/37/0	0.265

Data are presented as absolute number or median (interquartile range) as appropriate for the variables and compared by Mann-Whitney U test. LIA = local infiltration of analgesia; SNB sciatic nerve block, ASA American Society of Anesthesiologists

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