Table 3. Distribution of potentially pathogenic microorganisms isolated from RT and PTA patients.
| RT | PTA | p-value | |||||
| Bacterial species | Children n = 44 | Adults n = 86 | All n = 130 | Children n = 21 | Adults n = 103 | All n = 124 | RT/PTA All/All |
| Staphylococcus aureus MRSAa SCVb | 29 (65.9) 0 (0) 0 (0) | 46 (53.5) 1 (1.2) 1 (1.2) | 75 (57.7) 1 (0.8) 1 (0.8) | 4 (19.0) 0 (0) 0 (0) | 6 (5.8) 0 (0) 0 (0) | 10 (8.1) 0 (0) 0 (0) | 0.0000 1.0000 1.0000 |
| Streptococcus agalactiae | 3 (6.8) | 4 (4.7) | 7 (5.4) | 0 (0) | 3 (2.9) | 3 (2.4) | 0.3353 |
| Streptococcus anginous | 4 (9.1) | 18 (20.9) | 22 (16.9) | 1 (4.8) | 9 (8.7) | 10 (8.1) | 0.3810 |
| Streptococcus constellatus | 7 (15.9) | 25 (29.1) | 32 (24.6) | 3 (14.3) | 19 (18.5) | 22 (17.7) | 0.2200 |
| Streptococcus dysgalactiae ssp. equisimilis | 1 (2.3) | 3 (3.5) | 4 (3.1) | 1 (4.8) | 1 (1.0) | 2 (1.6) | 0.6843 |
| Streptococcus pneumoniae | 1 (2.3) | 0 (0) | 1 (0.8) | 0 (0) | 2 (1.9) | 2 (1.6) | 0.6148 |
| Streptococcus pyogenes | 7 (15.9) | 9 (10.5) | 16 (12.3) | 7 (33.3) | 18 (17.5) | 25 (20.2) | 0.1240 |
| Haemophilus influenzae | 14 (31.8) | 16 (18.6) | 30 (23.1) | 0 (0) | 2 (1.9) | 2 (1.6) | 0.0000 |
| Haemophilus parainfluenzae | 9 (20.5) | 33 (38.4) | 42 (32.3) | 1 (4.8) | 1 (1.0) | 2 (1.6) | 0.0000 |
| Eikenella sp. | 0 (0) | 0 (0) | 0 (0) | 1 (4.8) | 1 (1.0) | 2 (1.6) | 0.2373 |
| Capnocytophaga sp | 1 (2.3) | 1 (1.2) | 2 (1.5) | 0 (0) | 4 (3.9) | 4 (3.2) | 0.4378 |
| Enterobacteria | 0 (0) | 1 (1.2) | 1 (0.8) | 0 (0) | 2 (1.9) | 2 (1.6) | 0.6148 |
| Burkholderia cenocepacia | 2 (4.5) | 1 (1.2) | 3 (2.3) | 0 (0) | 0 (0) | 0 (0) | 0.2475 |
| Anaerobesc | -d | -d | -d | 8 (38.1) | 30 (29.1) | 38 (30.6) | - |
| Candida sp. | 8 (18.2) | 11 (12.8) | 19 (14.6) | 1 (4.8) | 5 (4.9) | 6 (4.8) | 0.0108 |
a
Methicillin-resistant Staphylococcus aureus: Oxacillin MIC ≥4 µg/ml.
b
small colony variant.
c
predominantly Prevotella sp., Bacteroides sp. or Fusobacterium sp.
d
methods for detection not included in the study protocol.