| Synbiotic group (n = 29) | Placebo group (n = 31) | P-value (Chi-2) |
Age <30 years >30 years |
8 21 |
6 25 | 0.451 |
Career (n) Nurse Physician Nurse aid |
18 10 1 |
23 4 4 | 0.101 |
Risk factors: Hypertension, Diabetes mellitus Hypothyroidism | 5 | 4 | 0.393 |