Longer term stability of the CRQ-SR: comparison of mean (SD) scores per dimension between two administrations of the CRQ-SR 7 weeks apart, repeatability coefficient, and test-retest reliability (ICC) (n=39)
| Dimension | 1st CRQ-SR | 2nd CRQ-SR | Mean (SD) difference5-150 | 95% CI5-151 | p value5-152 | Repeatability coefficient | ICC (95% CI) |
| Dyspnoea | 2.51 (0.87) | 2.65 (1.07) | –0.13 (0.75) | –0.37 to 0.11 | 0.27 | 1.50 | 0.83 (0.67 to 0.91) |
| Fatigue | 3.43 (1.13) | 3.42 (1.12) | 0.001 (0.77) | –0.24 to 0.26 | 0.92 | 1.54 | 0.87 (0.75 to 0.93) |
| Emotion | 4.23 (1.15) | 4.27 (1.34) | –0.004 (0.77) | –0.29 to 0.21 | 0.72 | 1.54 | 0.90 (0.80 to 0.94) |
| Mastery | 4.35 (1.38) | 4.22 (1.45) | 0.13 (0.95) | –0.18 to 0.43 | 0.40 | 1.90 | 0.88 (0.76 to 0.93) |