Table 1 Baseline subject characteristics of the whole population (N = 100), by product group
Probiotic group | Placebo group | |||
|---|---|---|---|---|
(N = 50) | (N = 50) | |||
Mean | SD | Mean | SD | |
Age (years) | 63.3 | 2.8 | 63.0 | 2.4 |
Body weight (kg) | 60.5 | 22.5 | 57.4 | 21.2 |
Body mass index (kg/m2) | 25.5 | 5.0 | 24.9 | 4.0 |
Females | ||||
n | 40 | 39 | ||
% | 80.0 | 78.0 | ||
CID during previous winter | 2.7 | 1.0 | 3.2 | 1.2 |
Vaccination | ||||
Seasonal influenza | ||||
n | 8 | 7 | ||
% | 16.0 | 14.0 | ||
Influenza A | ||||
n | 4 | 6 | ||
% | 8.0 | 12.0 | ||
Pneumococcus | ||||
n | 0 | 0 | ||
% | 0.0 | 0.0 | ||