Table 19.
Summary of data from intervention studies on the health impact of hand hygiene
| Outcome of intervention-risk reduction |
|||||
|---|---|---|---|---|---|
| Handwashing with soap |
ABHS |
||||
| Type of infection | Area of study | Range | No. of statistically significant studies (range) | Range | No. of statistically significant studies∗ (range) |
| Gastrointestinal | Developed countries only | −10%-57% | 3/5 Studies (48%-57%) | 0%-59% | 3/4 Studies (20%-50%) |
| Respiratory | Developed and developing countries | 5%-53% | 2/6 Studies (20%-51%) | −6%-26% | 2/4 Studies (13%-26%) |
∗
Where at least one of the age groups showed a statistically significant result (P < .05).