From: Is changing the postoperative pain management in total knee arthroplasty from femoral nerve block to local infiltration analgesia successful? Retrospective trial with the first and last 100 patients
Postoperative day
FNB group
LIA group II
P value
(mean, SD)
Day 2
36° ± 7
46° ± 10
< 0.051
Day 3
46° ± 8
55° ± 10
Day 4
56° ± 8
63° ± 11
Day 5
64° ± 9
69° ± 11
Day 6
70° ±
74° ± 12