Effect of Perioperative Dexmedetomidine Anesthesia on Prognosis of Elderly Patients with Gastrointestinal Tumor Surgery

Table 4

IL-6 concentrations of standards.

Concentrations (ng/L)	Measured OD	Absolute OD
0	0.060	0
30	0.376	0.316
60	0.656	0.596
120	1.109	1.049
240	1.822	1.762
480	2.933	2.873