Table 2 Score distributions, feasibility, and reliability of the UAS7 score
Hives | Itching | UAS7 | |
|---|---|---|---|
Baseline scores and distributions | |||
Mean (SD) | 7.2 (5.8) | 9.3 (5.6) | 16.4 (10.5) |
Median (range) | 7 (0-21) | 8 (0-21) | 15 (0-42) |
Missing values; floor and ceiling effects, n (%) | |||
Missing | 21 (12.7%) | 21 (12.7%) | 25 (15.1%) |
Minimum score (floor) | 22 (13.3%) | 9 (5.4%) | 9 (5.4%) |
Maximum score (ceiling) | 4 (2.4%) | 6 (3.6%) | 2 (1.2%) |
Reliability | |||
Internal consistency assessed using Cronbach’s alpha (95% CI)a | 0.83 (0.721 – 0.895) | ||
Test-retest reliability, asessed using ICC (95% CI) | 0.84 (0.735 – 0.906) | ||