Table 5.
The identification of the organisms in relation to the lung function
| Mild to moderate COPD | Severe COPD | Very severe COPD | ||
|---|---|---|---|---|
| Sputum results (n = 59) | Episodes with lung function performed and sputum saved | 14 | 25 | 20 |
| Streptococcus pneumonia | 1 (7.1) | 2 (8.0) | 4 (20.0) | |
| Pseudomonas aeruginosa | 1 (7.1) | 2 (8.0) | 0 | |
| Haemophilus influenzae | 0 | 3 (12.0) | 2 (10.0) | |
| Klebsiella species | 0 | 1 (4.0) | 1 (5.0) | |
| Serratia species | 0 | 1 (4.0) | 0 | |
| MRSA | 0 | 0 | 1 (5.0) | |
| Stenotrophomonas maltophilia | 0 | 1 (4.0) | 0 | |
| Candida albicans | 0 | 1 (4.0) | 0 | |
| Negative sputum culture | 12 (85.7) | 14 (56.0) | 12 (60.0) | |
| NPA PCR results (n = 53) | Episodes with lung function performed and with NPA saved | 16 | 20 | 17 |
| Influenza A (H3) | 0 | 2 (10.0) | 2 (11.8) | |
| Rhinovirus | 0 | 0 | 2a (11.8) | |
| Influenza B | 0 | 0 | 1 (5.9) | |
| Metapneumovirus | 1 (6.3) | 0 | 0 | |
| Coronavirus OC43 | 0 | 0 | 1a (5.9) | |
| Negative PCR | 15 (93.8) | 18 (90.0) | 12 (70.6) | |
| NPA viral culture (n = 53) | Episodes with lung function performed and with NPA saved | 16 | 20 | 17 |
| Influenza A | 0 | 1 (5.0) | 2 (11.8) | |
| Influenza B | 1 (6.3) | 0 | 1 (5.9) | |
| Herpes simplex virus type 1 | 1 (6.3) | 0 | 0 | |
| Negative viral culture | 14 (87.5) | 19 (95.0) | 14 (82.4) | |
| Serology (n = 41) | Episodes with lung function performed and paired serology saved | 10 | 18 | 13 |
| Influenza A | 0 | 1 (5.6) | 0 | |
| RSV | 1 (10.0) | 0 | 0 | |
| Negative serology | 9 (90.0) | 17 (94.4) | 13 (100) | |
Data are presented as n (%).
a
One episode with NPA PCR study positive for both coronavirus OC43 and rhinovirus.