Table 6

Area under receiver operating curve for prediction of in-hospital mortality

MRCDeMRCDCURB-65
Total0.769 (0.73–0.81)0.794 (0.75–0.84)* 0.717 (0.66–0.77)
npAECOPD0.809 (0.75–0.87)0.833 (0.77–0.90)0.719 (0.63–0.81)
pAECOPD0.740 (0.68–0.80)0.759 (0.70–0.82)0.661 (0.58–0.74)
  • * Significant difference compared with MRCD, p<0.01.

  • Significant difference compared with CURB-65, p<0.05.

  • eMRCD, extended Medical Research Council Dyspnoea Scale; MRCD, Medical Research Council Dyspnoea Scale; npAECOPD, non-pneumonic acute exacerbations of chronic obstructive pulmonary disease; pAECOPD, pneumonic acute exacerbations of chronic obstructive pulmonary disease.