|
Baseline Characteristics of the 545 Patients* |
|
| Characteristic |
|
|
|
|
| Age – years |
67.1 ± 18.0 |
| Male sex – no. (%) |
314 (62.6) |
| Smoking status |
|
| - Current smoker – no. (%) |
135 (24.8) |
| - Packyears history in smokers |
40.0 ± 24.9 |
| Antibiotic pretreatment (%) |
110 (20.2) |
| Underlying disease – no. (%) |
|
| - Coronary artery disease |
156 (28.6) |
| - Hypertensive heart disease |
95 (17.4) |
| - Congestive heart failure |
34 (6.2) |
| - Peripheral vascular disease |
39 (7.2) |
| - Cerebrovascular disease |
25 (4.6) |
| - Renal dysfunction |
121 (22.2) |
| - Liver disease |
43 (7.9) |
| - Diabetes mellitus |
93 (17.1) |
| - Neoplastic disease |
65 (11.9) |
| Symptoms – no. (%) |
|
| - Cough |
497 (91.2) |
| - Sputum |
390 (71.6) |
| - Dyspnea |
392 (71.9) |
| Signs– no. (%) |
|
| - Rales |
394 (72.3) |
| Final diagnoses – no. (%) |
|
| - CAP |
373 (68.4) |
| - Other respiratory tract infections |
132 (24.2) |
| - Asthma |
13 (2.4) |
| - Acute bronchitis |
59 (10.8) |
| - Acute exacerbation of COPD |
60 (11.0) |
| - Others |
40 (7.3) |
| - With infiltrate on chest radiography |
23 (4.2) |
| - Without infiltrate on chest radiography |
17 (3.1) |
| PSI in patients with CAP – points |
96.4 ± 36.0 |
| PSI class – no. (%) |
|
| - I, II and III |
162 (43.4) |
| - IV |
150 (40.2) |
| - V |
61 (16.4) |
| Laboratory parameters |
|
| hsCRP (mg/L) (mean; median (range)) |
127.9; 103.4 (0.5–512) |
| PCT (μg/L) (mean; median (range)) |
3.1; 0.32 (0.02–234.7) |
| Leukocyte count (×109/L) |
12.9 ± 6.7 |
|
*Plus-minus values are means ± SD. Because of rounding, percentages may not sum to 100. COPD denotes chronic obstructive pulmonary disease, PSI pneumonia severity index, CAP community-acquired pneumonia, hsCRP highly-sensitive C-reactive protein, PCT procalcitonin. | |
Müller et al. BMC Infectious Diseases 2007 7:10 doi:10.1186/1471-2334-7-10 |
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