Table 1 Bacterial culture of posterior pharyngeal wall microbiotas at different time points(n = 3)
Dwelling time point | Oropharyngeal microbiotas | |||||
|---|---|---|---|---|---|---|
Streptococcus mitis and Neisseria spp. | Streptococcus mitis or Neisseria spp. | Klebsiella pneumoniae | Subspecies of Streptococcus constellatus | Serratia marcescens | Abacterial growth | |
T1 | 105 ~ 107 (9 cases) | 105 ~ 107 (4 cases) | 0 | 0 | 0 | 0 (7 cases) |
T2 | 103 ~ 105 (9 cases) | 105 (6 cases) | 105 ~ 107 (3 cases) | 107 (1 case) | 105 (1 case) | 0 |
T3 | 103 (1 case) | 103 (10 cases) | 0 | 103 (1 case) | < 105 (1 case) | 0 (7 cases) |
T4 | 0 | 0 | 0 | 0 | 0 | 0 (20 cases) |