Table 6—

Percentiles (P) and means with standard deviation (sd) of the St George's Respiratory Questionnaire (SGRQ) scale scores by age

40–4950–5960–69
Symptoms
 P50.00.00.0
 P100.00.00.0
 P200.00.00.0
 P300.00.00.0
 P400.00.02.32
 P50/median4.424.244.42
 P606.758.808.13
 P708.809.699.54
 P8012.1714.0814.29
 P9018.7919.2828.18
 P9539.2123.7644.79
Mean±sd7.24±10.857.09±8.889.24±3.43
Activity
 P50.00.00.0
 P100.00.00.0
 P200.00.00.0
 P300.00.00.0
 P400.00.05.96
 P50/median5.256.2112.19
 P6011.4112.2717.84
 P7017.1223.2829.31
 P8020.2829.3141.61
 P9035.1735.4747.69
 P9541.0854.4267.02
Mean±sd10.81±13.9914.29±17.4319.36±22.62
Impacts
 P50.00.00.0
 P100.00.00.0
 P200.00.00.0
 P300.00.00.0
 P400.00.00.0
 P50/median0.00.00.0
 P600.03.553.55
 P701.903.554.06
 P804.067.178.35
 P9010.6710.6415.43
 P9514.3820.4343.03
Mean±sd2.62±5.634.10±7.646.38±13.25
Total
 P50.00.00.0
 P100.00.00.0
 P200.00.01.28
 P300.801.782.17
 P402.172.823.34
 P50/median3.754.444.26
 P605.818.359.37
 P707.3810.9213.28
 P8010.9513.0417.76
 P9015.4017.9325.96
 P9521.0431.4649.99
Mean±sd6.09±7.417.97±9.3511.05±14.83
  • Data are presented as SGRQ scale scores unless otherwise stated

  • Females from the general population weighted sample (n=329)