Table 2.
Effect of zinc and placebo supplementation on clinical variables.
Variables | Percentage of subjects affected in 1 year |
||
---|---|---|---|
Zinc group (n = 24) | Placebo group (n = 25) | Chi square Fishers exact test, p | |
Infection | 29 | 88 | <0.001 |
Upper respiratory | |||
Tract infection | 12 | 24 | 0.136 |
Tonsillitis | 0 | 8 | 0.255 |
Common cold | 16 | 40 | 0.067 |
Cold sores | 0 | 12 | 0.124 |
Flu | 0 | 12 | 0.124 |
Fever | 0 | 20 | 0.027 |
One infection each/year | 29% | 52% | |
Two infections each/year | 0 | 24% | |
Three infections each/year | 0 | 8% | |
Four infections each/year | 0 | 4% | |
Received antibiotics | 8% | 48% |
Ref (5).
Each person could appear in more than one sub-category of infection.