TABLE 1.
Comparison between the H. influenzae study group isolated in 2007 and the control group isolated in 1997
| Parameter | No. of isolates (%) for:
|
Fisher exact test
|
||
|---|---|---|---|---|
| 2007 (n = 109) | 1997 (n = 88) | OR (95% CI) | P | |
| Age | ||||
| Adults | 35 (32.1) | 32 (36.4) | 0.83 (0.46-1.50) | 0.55 |
| Children | 61 (56) | 49 (55.7) | 1.01 (0.57-1.78) | 1.00 |
| Unknown | 13 (11.9) | 7 (7.9) | 1.57 (0.60-4.11) | 0.48 |
| Clinical source | ||||
| Respiratory | 102 (93.6) | 76 (86.4) | 2.30 (0.86-6.12) | 0.10 |
| Conjunctivitis | 43 (39.4) | 37 (42) | 0.90 (0.50-1.59) | 0.77 |
| Otitis | 16 (14.7) | 9 (10.2) | 1.51 (0.63-3.60) | 0.39 |
| Sputum | 5 (4.6) | 3 (3.4) | 1.36 (0.31-5.86) | 0.73 |
| Other respiratorya | 37 (34) | 24 (27.3) | 1.37 (0.74-2.53) | 0.35 |
| Invasive | 2 (1.8) | 5 (5.7) | 0.31 (0.06-1.60) | 0.25 |
| Other | 5 (4.6) | 7 (7.9) | 0.56 (0.17-1.82) | 0.38 |
| Microbiological data | ||||
| Biotype I | 13 (11.9) | 13 (14.8) | 0.78 (0.34-1.79) | 0.67 |
| Biotype II | 53 (48.6) | 45 (51.1) | 0.90 (0.51-1.59) | 0.77 |
| Biotype III | 32 (29.3) | 23 (26.1) | 1.17 (0.62-2.20) | 0.63 |
| Biotypes IV, V, and VI | 11 (10.1) | 7 (7.9) | 1.30 (0.48-3.50) | 0.80 |
| Capsulated strains | 1, type f (0.9) | 2, type b (2.3) | 0.40 (0.04-4.50) | 0.59 |
a
This value includes bronchial aspirate, bronchoalveolar lavage, and respiratory secretion samples.