Table 2.
Comparison of Clinical Expressions of the Exacerbation and Arterial Po2, Pco2, and pH Between the Pneumonic AECOPD and Nonpneumonic AECOPD Groups*
| Variables | Pneumonic AECOPD (n = 23) | Nonpneumonic AECOPD (n = 217) | p Value |
|---|---|---|---|
| Clinical type of AECOPD† | |||
| 1 | 16 (70) | 110 (51) | NS |
| 2 | 1 (4) | 37 (17) | NS |
| 3 | 6 (26) | 70 (32) | NS |
| Abrupt onset of exacerbation‡ | 11 (48) | 47 (22) | 0.005 |
| Mental status change | 3 (13) | 12 (6) | NS |
| Feeling of shaking chills | 12 (52) | 72 (33) | NS |
| Fever during exacerbation | 21 (91) | 148 (68) | 0.02 |
| Crepitations on lung auscultation | 15 (65) | 47 (22) | 0.0001 |
| Po2 at hospital admission (room air) | 50.3 [10.3] | 56.9 [10.2] | 0.004 |
| Pco2 at hospital admission (room air) | 46.5 [15.2] | 46.8 [13.9] | NS |
| PH at hospital admission | 7.39 [0.08] | 7.39 [0.07] | NS |
*
Data are presented as No. (%) or No. [SD].
†
In accordance with the classification of Anthonisen et al.2
‡
Development of all symptoms of exacerbation within < 12 h.