Table 2.
Descriptive characteristics of utilities
| Health utilities | Mean ± SD | Median (IQR) | Minimum | Maximum | Floor N (%) |
Ceiling N (%) |
psoriasis N = 47 |
atopic dermatitis N = 32 |
acne N = 23 |
other skin diseases N = 24 |
|---|---|---|---|---|---|---|---|---|---|---|
| EQ-5D-5L | 0.79 ± 0.25 | 0.87 (0.72-1.00) | -0.24 | 1.00 | 0 (0.00%) | 33 (27.50%) | 0.88 (0.68-1.00) | 0.89 (0.66-1.00) | 0.82 (0.74–0.90) | 0.93 (0.72-1.00) |
| SF-6D | 0.76 ± 0.21 | 0.81 (0.66–0.92) | 0.15 | 1.00 | 0 (0.00%) | 2 (1.70%) | 0.79 (0.66–0.90) | 0.83 (0.66–0.93) | 0.74 (0.66–0.87) | 0.80 (0.64–0.96) |
| PROPr | 0.47 ± 0.24 | 0.48 (0.26–0.68) | 0.01 | 0.94 | 0 (0.00%) | 0 (0.00%) | 0.48 (0.24–0.64) | 0.57 (0.27–0.72) | 0.35 (0.15–0.50) | 0.46 (0.30–0.73) |
| TTO | 0.89 ± 0.23 | 1.00 (0.90-1.00) | 0.00 | 1.00 | 3 (2.50%) | 78 (65.00%) | 1.00 (0.80-1.00) | 1.00 (0.90-1.00) | 1.00 (0.95-1.00) | 1.00 (0.73-1.00) |
IQR = Interquartile range; PROPr = Patient-Reported Outcomes Measurement Information System-Preference; SF-6D = Short-form-6D; TTO = time trade-off