Item | CRQ-IA | CRQ-SA | ||
---|---|---|---|---|
 | Corrected item-total correlation | Crohnbach alpha if item deleted | Corrected item-total correlation | Crohnbach alpha if item deleted |
 | Standardised dyspnoea domain | Standardised dyspnoea domain | ||
1 | 0.46 | 0.70 | 0.56 | 0.74 |
2 | 0.68 | 0.62 | 0.67 | 0.71 |
3 | 0.50 | 0.69 | 0.44 | 0.78 |
4 | 0.32 | 0.74 | 0.70 | 0.71 |
5 | 0.56 | 0.66 | 0.48 | 0.77 |
 | Fatigue domain | Fatigue domain | ||
8 | 0.64 | 0.76 | 0.56 | 0.83 |
11 | 0.65 | 0.75 | 0.67 | 0.79 |
15 | 0.67 | 0.74 | 0.67 | 0.79 |
17 | 0.56 | 0.80 | 0.78 | 0.73 |
 | Emotional function domain | Emotional function domain | ||
6 | 0.66 | 0.71 | 0.80 | 0.85 |
9 | -0.03 | 0.86 | 0.37 | 0.92 |
12 | 0.72 | 0.70 | 0.67 | 0.87 |
14 | 0.41 | 0.76 | 0.65 | 0.88 |
16 | 0.84 | 0.67 | 0.79 | 0.86 |
18 | 0.56 | 0.74 | 0.74 | 0.87 |
20 | 0.57 | 0.73 | 0.85 | 0.85 |
 | Mastery domain | Mastery domain | ||
7 | 0.49 | 0.75 | 0.67 | 0.83 |
10 | 0.65 | 0.66 | 0.76 | 0.80 |
13 | 0.44 | 0.78 | 0.65 | 0.85 |
19 | 0.72 | 0.63 | 0.77 | 0.79 |