Effect of preoperative immunonutrition and other nutrition models on cellular immune parameters

Table 1 Distribution of patients by nutrition models

	Patients (n)	Nutrition model	Nutritional products1
Group 1	n = 16	Immunonutrition	Enteral product with addition of arginine, omega-3 fatty acids and RNA (IMPACT®)
Group 2	n = 13	Normal nutrition	Normal feeding planned by a dietitian
Group 3	n = 13	Standard enteral nutrition	Standard enteral product without RNA or Omega-3 fatty acids (FRESUBIN®)

¹One liter of Impact (Novartis Nutrition, Bern, Switzerland) contains 780 non-protein calories, 43 g of protein, 12.5 g of arginine, 3.3 g of ω-3 fatty acids and 1.2 g of RNA.