Table 3 Levels of house dust mites in the four groups 16 weeks after introduction of the intervention
From: Environmental intervention for house dust mite control in childhood bronchial asthma
Variable | Group A (n = 40) | Group B (n = 40) | Group C (n = 40) | Group D (n = 40) |
|---|---|---|---|---|
Mean Der p1 concentration in μg g−1 | 6.17 | 6.21 | 5.97 | 6.28 |
Standard deviation | 0.61 | 0.65 | 0.71 | 0.67 |
p value | 0.00 | 0.03 | 0.00 | 0.06 |