Table 4 Changes in outcome measures after 8 and 16 weeks of intervention
From: Environmental intervention for house dust mite control in childhood bronchial asthma
Outcome measure | Group A (n = 40) | Group B (n = 40) | Group C (n = 40) | Group D (n = 40) | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
After 8 weeks | p value | After 16 weeks | p value | After 8 weeks | p value | After 16 weeks | p value | After 8 weeks | p value | After 16 weeks | p value | After 8 weeks | p value | After 16 weeks | p value | |||||||||||||
Median number of hospitalization (interquartile range) | 1.00 (0–1) | 0.00 | 0.50 (0–1) | 0.00 | 1.00 (0–2) | 0.18 | 1.00 (0–2) | 0.00 | 1.00 (0–1) | 0.00 | 1.00 (0–1) | 0.00 | 1.50 (1–2) | 1.00 | 1.30 (1–2) | 0.58 | ||||||||||||
Mean difference of FEV1 (% of predicted value) | 2.05 | 0.00 | 2.55 | 0.00 | 0.85 | 0.02 | 0.90 | 0.02 | 2.10 | 0.00 | 2.17 | 0.00 | −0.05 | 0.84 | −0.15 | 0.73 | ||||||||||||
Mean difference of PEFR (l/min) | 4.65 | 0.00 | 6.82 | 0.00 | 0.95 | 0.02 | 1.23 | 0.02 | 4.22 | 0.00 | 4.34 | 0.00 | −0.10 | 0.62 | 1.62 | 0.00 | ||||||||||||