Table 2.
SGRQ-C items grouped by corresponding CAT severity category
| 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) |
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| Walk slowly or stop walking one flight of stairs (-1.14) |
Exercise felt not to be safe (0.92) |
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| Bring up phlegm only with chest infections (-1.07) |
Everything seems too much of an effort (0.92) |
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| Usually cannot play sports or games (-1.05) |
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Figure in bold brackets is the SGRQ-C item's severity expressed in logits; low score (negative) = mild, high score (positive) = severe