Treatment Group | N* | Baseline/Mean (SD) | After 4 Weeks of Treatment/Adjusted Mean (SEM)†| Difference vs Placebo (95% CI)/Adjusted Mean | P |
---|---|---|---|---|---|
RQLQ overall score | Â | Â | Â | Â | Â |
   Placebo | 252 | 3.06 (0.94) | −1.01 (0.07) |  |  |
   Levocetirizine (5 mg) | 257 | 3.04 (0.92) | −1.49 (0.07) | 0.48 (0.29-0.67) | <0.001 |
T5SS | Â | Â | Â | Â | Â |
   Placebo | 271 | 8.90 (2.26) | −2.40 (0.15) |  |  |
   Levocetirizine (5 mg) | 276 | 9.02 (2.28) | −3.54 (0.15) | 1.14 (0.75-1.52) | <0.001 |