OP | CP-SP | CP-OP | |
Successful collection of samples | 299 (100.0) | 296 (98.9) | 299 (100.0) |
Aspiration | 160 (54.1) | ||
Expectoration | 127 (42.9) | ||
Missing data | 9 | ||
Occurrence of cough | 105 (36.3) | 299# (100.0) | 113 (39.4) |
Missing data | 10 | 12 | |
Safety | |||
Overall acceptability | 212 (72.9) | 210 (72.4) | 206 (71.5) |
Nausea/vomiting | 20 (25.3) | 13 (16.7) | 21 (25.9) |
Crying | 51 (66.7) | 68 (86.1) | 57 (71.3) |
Agitation | 40 (51.3) | 44 (55.7) | 34 (42.5) |
Other | 2 (2.7) | ||
Microbiological analyses | |||
Negative for the three bacteria | 86 | 49 | 66 |
Positive for at least one bacteria | 209 | 246 | 227 |
Haemophilus influenzae | |||
Positive | 43 (14.6) | 59 (20.0) | 50 (17.1) |
Negative | 252 (85.4) | 236 (80.0) | 243 (82.9) |
Missing data | 4 | 4 | 6 |
Pseudomonas aeruginosa | |||
Positive | 28 (9.5) | 44 (15.0) | 37 (12.6) |
Negative | 267 (90.5) | 249 (85.0) | 257 (87.4) |
Missing data | 4 | 6 | 5 |
Staphylococcus aureus | |||
Positive | 144 (48.8) | 156 (52.9) | 152 (51.5) |
Negative | 150 (50.8) | 139 (47.1) | 143 (48.5) |
Missing data | 5 | 4 | 4 |
Results are expressed as n (%) or n. OP: oropharyngeal swab; CP-SP: chest physiotherapy session followed by a provoked cough to obtain sputum; CP-OP: second oropharyngeal swab collected after chest physiotherapy. #: provoked cough is part of CP-SP to obtain airway secretions.