Table 4.
Associations between several clinical characteristics and the top four most prevalent bacteria detected in AE-COPD patients
| Bacterial species | Respiratory failure | Group of COPD | Stage of COPD | Severity of AE-COPD | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Yes | No | B | D | I | II | III | IV | Non-severe | Severe | |
| K. pneumoniae |
44 (60.27) |
33 (50.77) |
9 (69.23) |
68 (54.40) |
5 (55.56) |
27 (58.70) |
39 (54.17) |
6 (54.55) |
44 (63.77) |
33 (47.83) |
| H. influenzae |
16 (21.92)* |
6 (9.23)* |
2 (15.38) |
20 (16.00) |
0 (0.00) |
10 (21.74) |
11 (15.28) |
1 (9.09) |
9 (13.04) |
13 (18.84) |
| M. catarrhalis |
6 (8.22) |
11 (16.92) |
1 (7.69) |
16 (12.80) |
2 (22.22) |
3 (6.52) |
10 (13.89) |
2 (18.18) |
5 (7.25) |
12 (17.39) |
| S. pneumoniae |
13 (17.81) |
10 (15.38) |
2 (15.38) |
21 (16.80) |
4 (44.44)† |
8 (17.39)† |
7 (9.72)† |
4 (36.36)† |
10 (14.49) |
13 (18.84) |
| Total | 73 | 65 | 13 | 125 | 9 | 46 | 72 | 11 | 69 | 69 |
The values are given as numbers (%)
*p = 0.042 and †p = 0.014 between these groups
AE-COPD, acute exacerbation of chronic obstructive pulmonary disease