Departments of Gastrointestinal;
Shandong Provincial Hospital;
Cheeloo College of Medicine;
Shandong University;
Jinan 250021;
Shandong Province;
China;
Center for Reproductive Medicine;
Cheeloo College of Medicine;
Jinan 250012;
Shandong Province;
China;
Department of Biostatistics;
School of Public Health;
Shandong University;
Jinan 250012;
Shandong Province;
China;
Gastric cancer; Prognosis; Alkaline phosphatase; Prealbumin; Evaluating efficiency;