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Table 2 SGRQ-C items grouped by corresponding CAT severity category

From: Creating scenarios of the impact of copd and their relationship to copd assessment test (CAT™) scores

Low Impact
(CAT 1-10)
Medium Impact
(CAT 11-20)
High Impact
(CAT 21-30)
Very High Impact
(CAT 31-40)
Breathless several days a week
(-3.86)
Housework takes long or stop for rests
(-0.91)
Chest causes lot of problems or most important problem
(0.15)
Cough causes tiredness
(1.13)
Breathless walking up hills
(-3.72)
Breathless most days a week
(-0.80)
3 or more attacks of chest trouble in last year
(0.20)
Takes a long time to get washed or dressed
(1.24)
Difficult to carry heavy loads, etc (-3.16) Bring up phlegm several days a week
(-0.77)
Get afraid/panic when can't get breath
(0.21)
Breathless walking around home
(1.47)
Have to stop/slow down if hurry/walk fast
(-2.98)
Wheezing attacks only with chest infections
(-0.68)
Breathless walking on level ground outside the house
(0.32)
Chest trouble is a nuisance to family, friends (1.49)
Chest condition causes a few problems
(-2.91)
Cough several days a week
(-0.64)
Wheezing attacks several days a week
(0.36)
Cannot take bath/shower or takes long time (1.55)
Difficult to walk up hill, light gardening, etc
(-2.64)
Wheezing attacks a few days a month
(-0.35)
Cough and/or breathing embarrassing in public
(0.47)
Cannot go out for entertainment (1.87)
Most days are good in average week
(-2.63)
1-2 attack of chest trouble in last year
(-0.30)
Cough and/or breathing disturbs sleep
(0.49)
Coughs hurts (2.11)
Stops 1 or 2 things
(-2.15)
Bring up phlegm most days a week
(-0.21)
Feel not in control of chest problem (0.49) Cannot do housework
(2.20)
Breathless walking up a flight of stairs
(-2.15)
A few good days in an average week
(-0.19)
Wheezing attacks most days a week
(0.58)
Have become frail or invalid because of chest (2.42)
Cough only with chest infections
(-2.06)
Cough most days a week
(-0.09)
Stops patient doing most things they want to do (0.60) Cannot go out of house for shopping
(2.69)
Walk slower than others or stop for rests
(-1.52)
Breathless when bending over
(-0.07)
Breathless getting washed/dressed (0.62) Stops patient doing everything they want to do (3.11)
Breathless only with chest infections
(-1.52)
Wheeze worse in morning
(-0.02)
No good days in average week (0.63) Cannot move far from bed or chair (3.40)
Get exhausted easily
(-1.47)
  Breathless when talking
(0.81)
 
Walk slowly or stop walking one flight of stairs
(-1.14)
  Exercise felt not to be safe
(0.92)
 
Bring up phlegm only with chest infections
(-1.07)
  Everything seems too much of an effort
(0.92)
 
Usually cannot play sports or games
(-1.05)
   
  1. Figure in bold brackets is the SGRQ-C item's severity expressed in logits; low score (negative) = mild, high score (positive) = severe