FIGURE 6.

Elevated HMGB1 and TGF‐β1 in clinical samples after laminectomy. (A) HMGB1 content in the peripheral blood of normal and laminectomy patients. NS, not significant. (B) TGF‐β1 content in the peripheral blood of normal and laminectomy patients. NS, not significant. (C) HMGB1 content in the wound drainage fluid from patients undergoing laminectomy. HMGB1 was elevated in the drainage fluid 48 hours post‐laminectomy. **, P < .01. (D) TGF‐β1 content in the wound drainage fluid from patients undergoing laminectomy. NS, not significant