Table 1 Overview of children studied in tropical centers in ISAAC Phase III
Outcome | Age 13–14 years | Age 6–7 years | ||||
|---|---|---|---|---|---|---|
| Â | Number of centers | Mean prevalence, % | Standard deviation | Number of centers | Mean prevalence, % | Standard deviation |
Current rhinitis | 86 | 32.6 | 12.5 | 49 | 24.1 | 11.2 |
Change per year in Current Rhinitis | 26 | +0.26 | 1.15 | 17 | +0.26 | 0.84 |
Hay Fever ever | 80 | 20.8 | 14.6 | 46 | 15.7 | 10.1 |
Change per year in Hay Fever ever | 22 | +0.95 | 1.72 | 15 | +0.73 | 1.46 |
Current rhinoconjunctivitis | 86 | 15.2 | 6.9 | 48 | 9.5 | 5.3 |
Change per year in Current rhinoconjunctivitis | 26 | +0.06 | 0.99 | 17 | +0.19 | 0.29 |
Current wheeze | 86 | 13.0 | 6.8 | 49 | 12.8 | 8.5 |
Asthma ever | 86 | 13.0 | 7.1 | 49 | 10.9 | 8.4 |