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. 2021 Apr;153(4):459–464. doi: 10.4103/ijmr.IJMR_1812_18

Table I.

Comparison of the various component scores and total scores of the St. George’s Respiratory Questionnaire for chronic obstructive pulmonary disease (COPD) with gender, age and COPD grade

Parameter n Symptom component score Activity component score Impact component score Total score
Gender
Male 86 58.6±21.4 49.4±17.9 43.4±18.9 47.9±16.7
Female 14 56.6±25.0 59.7±20.6 46.6±22.0 52.4±19.8
P - <0.752 <0.053 <0.567 <0.364
Age (yr)
45-55 5 42.1±10.5 46.8±18.7 35.1±12.5 39.9±10.7
56-65 13 48.7±15.1 36.1±16.5 24.6±11.0 32.4±10.9
66-75 59 56.0±21.3 48.5±16.0 42.7±17.2b 46.9±14.7b
≥76 23 73.3±20.6a,b,c 66.0±16.5b,c 59.3±17.4a,b,c 63.8±15.6a,b,c
P - <0.001 <0.001 <0.001 <0.001
COPD grade
1 20 41.6±15.1 41.3±12.9 28.9±12.4 34.9±8.0
2 40 51.9±16.5 45.4±16.1 36.4±14.2 41.9±12.1
3 21 65.3±20.1x,y 53.6±19.3 52.5±16.9x,y 55.1±15.6x,y
4 19 81.9±16.8x,y,z 69.3±14.7x,y,z 65.5±12.9x,y,z 69.6±11.8x,y,z
P - <0.001 <0.001 <0.001 <0.001
Total 100 58.4±21.8 50.8±18.6 43.8±19.2 48.5±17.1
P - <0.001 <0.001 <0.001 <0.001

Values are expressed as mean±SD. asignificant difference from age 45-55; bsignificant difference from age 56-65; csignificant difference from age 66-75; xsignificant difference from grade 1; ysignificant difference from grade 2; zsignificant difference from grade 3