TABLE 1.

Change scores for those reporting different degrees of global rating of change

Description of change (GRoC scale 0–5)	SAQ	SAQ My life	SAQ My mind	SAQ My body	SAQ-global
Any degree of deterioration (−5 to −1)	−0.41±1.15 (4)	0.06±0.88 (4)	−1.23±1.45 (4)	−0.50±1.50 (4)	−5.00±15.81 (4)
No change (0)	−0.32±0.97 (34)	−0.30±1.04 (35)	−0.42±1.21 (35)	−0.25±1.32 (35)	0.95±16.78 (37)
“A little better” (1) (MCID)	0.54±0.94 (28)	0.67±0.90 (28)	0.43±1.11 (28)	0.45±1.38 (28)	10.89±14.91 (28)
“Somewhat better” and “moderately better” (2 or 3)	0.92±1.04 (34)	0.90±1.01 (33)	0.90±1.00 (33)	0.84±1.82 (33)	17.41±16.96 (34)
“A good deal better” (4)	1.23±1.10 (33)	1.11±1.27 (33)	1.20±1.22 (33)	0.99±1.27 (33)	19.18±20.38 (33)
“A great deal better” (5)	2.19±1.05 (27)	2.19±1.19 (26)	2.32±1.52 (26)	2.15±1.70 (26)	31.83±19.00 (29)

Data are presented as mean±sd (n). GRoC: Global Rating of Change; SAQ: Severe Asthma Questionnaire; MCID: minimal clinically important difference.