Table 4.
Microbial isolates and their association with viral infections in infants with cystic fibrosis.
| Never virus (n = 44) | Any virus (n = 22) | p-Value | p-Value† | |
|---|---|---|---|---|
| No growth | 23 (52) | 5 (23) | .03 | .04 |
| Oropharyngeal flora | 18 (41) | 15 (68) | .07 | .05 |
| Any bacterial growth | 20 (45) | 17 (77) | .02 | .02 |
| Any classic CF pathogen | 2 (5) | 7 (32) | .01 | .01 |
| -Haemophilus influenzae | 1 (2) | 1 (5) | 1.0 | .56 |
| -Methicillin susceptibleStaphylococcus aureus | 0 (0) | 4 (18) | .01 | UTC |
| -Methicillin resistantStaphylococcus aureus | 0 (0) | 1 (5) | .33 | UTC |
| -Pseudomonas aeruginosa, non-mucoid | 0 (0) | 1 (5) | .33 | UTC |
| -Stenotrophomonas maltophilia | 1 (2) | 0 (0) | 1.0 | UTC |
| Moraxella catarrhalis | 0 (0) | 2 (9) | .11 | UTC |
| Escherichia coli | 2 (5) | 1 (5) | 1.0 | .96 |
| Klebsiella pneumoniae | 0 (0) | 1 (5) | .33 | UTC |
| Pseudomonas putida | 1 (2) | 0 (0) | 1.0 | UTC |
| Morganella morganii | 0 (0) | 1 (5) | .33 | UTC |
| Enterobacter cloacae | 1 (2) | 1 (5) | 1.0 | .64 |
| Any fungal growth | 2 (5) | 3 (14) | .32 | .20 |
| Candida albicans | 2 (5) | 3 (14) | .32 | .20 |
Values are frequencies (percentages) with p-values from Fisher's Exact Test and from generalized linear models (GLM) † adjusting for age at time of BAL (continent was highly correlated with age). There was no difference in sex at time of bronchoscopy. UTC = unable to calculate.