Table 3.
The discriminating power of individual predictors in predicting death within 1 year
| Predictor | Se | Sp | AUC |
|---|---|---|---|
| Hypoxemia or hypercapnia | 0.53 | 0.63 | 0.583 |
| NIV | 0.93 | 0.07 | 0.503 |
| Professional home care | 0.47 | 0.71 | 0.589 |
| Negative answer SQ | 0.80 | 0.58 | 0.692 |
| Comorbidity | 0.43 | 0.86 | 0.645 |
| CCQ total, day version >3 | 0.83 | 0.43 | 0.633 |
| MRC dyspnea =5 | 0.80 | 0.62 | 0.712 |
| FEV1 <30% of predicted | 0.43 | 0.64 | 0.589 |
| BMI <21 or weight loss | 0.33 | 0.87 | 0.603 |
| Previous hospitalization AECOPD | 0.60 | 0.65 | 0.624 |
| Age >70 years | 0.43 | 0.61 | 0.521 |
Note: Study population (N=155).
Abbreviations: AECOPD, acute exacerbation COPD; AUC, area under the curve; BMI, body mass index; CCQ, Clinical COPD Questionnaire; FEV1, forced expiratory volume in 1 second; MRC dyspnea, Medical Research Council dyspnea questionnaire; NIV, noninvasive ventilation; Se, sensitivity; Sp, specificity; SQ, surprise question.