Table 3 Psychometric properties of the abbreviated health state classification system in neurogenic detrusor overactivity patients
Psychometric properties* | ||||||
Criterion validity: differences in the scale score of the abbreviated health state classification system (0: worst health status – 100: best health status) according to the reduction in the frequency of urinary incontinence episodes at week 6) | ||||||
N | Mean | 95% CI Lower L. | 95% CI Upper L. | p | ||
Scale score at Day 1 | Reduction <50% | 225 | 35.11 | 32.73 | 37.49 | 0.242 |
50% < = Reduction <100% | 224 | 35.04 | 32.75 | 37.34 | ||
100% Reduction | 188 | 37.93 | 35.40 | 40.45 | ||
Scale score at Week 6 | Reduction <50% | 222 | 38.69 | 36.14 | 41.25 | <0.001 |
50% < = Reduction <100% | 224 | 54.33 | 54.62 | 57.04 | ||
100% Reduction | 186 | 70.81 | 67.72 | 73.89 | ||
Convergent validity Spearman correlation coefficient | ||||||
Daily Incontinence episodes | ||||||
Scale score at Day 1 | −0.22 | <0.01 | ||||
Scale score at Week 6 | −0.43 | |||||