Table 2.
Demographic Characteristics of the Patients (n = 196) Admitted to the Hospital With AECOPD Who Had NPA Saved for Assessment*
| Characteristics | Data |
|---|---|
| Age, yr | 75.7 ± 7.7 |
| Male gender | 160 (81.6) |
| Body mass index, kg/m2 | 21.2 ± 4.34 |
| Prebronchodilator FEV1, L† | 0.71 ± 0.36 |
| Prebronchodilator FVC, L† | 1.23 ± 0.55 |
| Postbronchodilator FEV1, L† | 0.76 ± 0.37 |
| Postbronchodilator FVC, L† | 1.36 ± 0.61 |
| Postbronchodilator FEV1/FVC ratio† | 0.58 ± 0.15 |
| Postbronchodilator FEV1 % predicted normal, %† | 39.58 ± 18.92 |
| Postbronchodilator FVC % predicted normal, %† | 50.19 ± 20.26 |
| Premorbid status | |
| Chair bound | 7 (3.6) |
| Home bound | 20 (10.2) |
| Could walk on level ground | 52 (26.5) |
| Could walk up at least one flight of stairs | 117 (59.7) |
| Smoking status | |
| Nonsmoker | 2 (1.0) |
| Ex-smoker | 161 (82.1) |
| Current smoker | 33 (16.8) |
| Home oxygen use | 33 (16.8) |
| Inhaled corticosteroids | 102 (52.0) |
| Oral theophylline | 72 (36.7) |
| Influenza vaccination over the past 12 mo | 79 (40.3) |
| Charlson index | 1.50 ± 0.93 |
Data are presented as mean ± SD or No. (%).
Score of Charlson index ranged from 0 to 33 with a higher score indicating having more in number and seriousness of the coexisting illnesses.13