Effectiveness of Multistrain Probiotic Formulation on Common Infectious Disease Symptoms and Gut Microbiota Modulation in Flu-Vaccinated Healthy Elderly Subjects

Table 1

Demographic characteristics of subjects at the beginning of the study. Results of age and BMI (body mass index) are reported as .

	Placebo			Probiotics
	Total	Female	Male	Total	Female	Male
No. of subjects	25	19	6	25	17	8
Age (years)
BMI (kg/m^2)