Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Plasma levels of IL-1β, IL-6, TNF-α and CRP before and after surgery in the PVB and PCA groups. ∗P < .05, ∗∗P < .01 vs baseline (T1), #P < .05, ##P < .01 vs PVB group. PVB = thoracic paravertebral block, PCA = patient-controlled analgesia. T1, preoperation; T2, 24 hours after operation; T3, 48 hours after operation; T4, 72 hours after operation.
