Table 3 Comparison of changes from beginning to end of study in clinical outcomes between treatment and placebo groups
Medical outcome variable | HDM Impermeable bedding, n = 23 | Placebo bedding, n = 20 | 95% CI of difference | Significance p |
|---|---|---|---|---|
Mean change in 28-day PEF litres/min (sd) | 16.38 (25.62) | 13.68 (43.14) | -25.15 to 19.75 | 0.81 |
Mean change in 28-day asthma symptom scores (sd) | -3.40 (29.50) | -18.10 (27.80) | -33.16 to 3.86 | 0.12 |
Mean change in 28-day rhinitis symptom scores (sd) | -31.14 (35.79) | -22.67 (30.70) | -13.15 to 30.09 | 0.43 |
Mean change in episodes of monthly night-time waking over 28-day period (sd) | -0.64 (3.00) | -0.94 (2.30) | -2.05 to 1.93 | 0,43 |
Mean change in 28-day dose of inhaled steroids mcg (sd) | -1815.91 (3861.45) | -1039.00 (1881.15) | -1128.58 to 2682.59 | 0.41 |
Median non-study GP consultations (range) | 1 (0–5) | 0 (0–5) |  | 0.26 |
Total number of hospital admissions for asthma | 0 | 0 | Â | 1 |
Total number of courses of oral steroids for asthma | 2 | 2 | Â | 1 |