Table 2

Comparison of mean (SD) dyspnoea scores between group A (dyspnoea responses transcribed, n=27) and group B (dyspnoea responses not transcribed, n=25) (two administrations of CRQ-SR 7 days apart)

	1st CRQ-SR	2nd CRQ-SR	Mean (SD) difference^2-150	95% CI^2-151	p value^2-152
Group A	2.5 (0.75)	2.59 (0.87)	-0.08 (0.61)	–0.33 to 0.15	0.45
Group B	2.35 (0.97)	2.56 (0.97)	-0.21 (0.57)	–0.44 to 0.03	0.08

↵2-150 Mean difference between 1st and 2nd CRQ-SR.
↵2-151 95% confidence interval around the difference between 1st and 2nd CRQ-SR.
↵2-152 p value on difference between 1st and 2nd CRQ-SR from pairedt tests.