Risk factors for isolation of Stenotrophomonas maltophilia in sputum (univariate analysis)
| Data in Y‐1 | Patients | Controls | p‐value |
| Subjects n | 52 | 52 | |
| BMI | |||
| ≤20 | 24 (63.4) | 23 (69.7) | ns |
| >20 | 14 (36.8) | 10 (30.3) | |
| Number of i.v. courses | |||
| 0 | 12 (25.5) | 24 (52.2) | 0.004 |
| ≤2 | 19 (40.6) | 18 (39.1) | |
| >2 | 16 (34.1) | 4 (8.7) | |
| Nebulised antibiotics | 43 (84.3) | 36 (70.6) | 0.10 |
| Oral steroids | 17 (34.0) | 4 (8.9) | 0.003 |
| Other sputum isolates | |||
| Pseudomonas aeruginosa | 48 (94.1) | 43 (95.6) | 0.75 |
| Staphylococcus aureus | 35 (68.6) | 30 (66.7) | 0.84 |
| Burkholderia cepacia | 9 (17.7) | 4 (8.9) | 0.21 |
| Aspergillus fumigatus | 26 (51.0) | 4 (8.9) | 0.001 |
Data are presented as n (%) unless otherwise stated
Y‐1: year prior to S. maltophilia acquisition
BMI: body mass index
i.v.: intravenous