Correlation of Preoperative Indices (serum Vit D, Calcium, Phosphorus, FAR, PLR, SII) on Intraoperative Bleeding in CRS

Conditions

• Chronic Rhinosinusitis (CRS) with and Without Nasal Polyps

Interventions

• OTHER: without interventios.

Sponsor

Nanjing First Hospital, Nanjing Medical University