TABLE 3.
Effect of pH on incidence and cell population sizes of individual genera and total counts of gastric and duodenal aspirates
| Genus | Population sizea at the following aspirate pH:
|
||
|---|---|---|---|
| 0-2 | 3-5 | >6 | |
| Candida | 4.0 ± 1.5 (5) | 3.2 ± 0.2 (2) | 4.7 ± 1.1 (4) |
| Bifidobacterium | NDb | 4.2 ± 0.6 (3) | 4.9 ± 1.5 (5) |
| Escherichia | 3.1 ± 1.3 (2) | 4.5 ± 1.5 (4) | 5.4 ± 1.0 (4) |
| Klebsiella | ND | 4.9 ± 1.6 (3) | 4.4 (1) |
| Lactobacillus | 4.4 ± 1.3 (4) | 4.1 ± 0.8 (2) | 4.9 ± 1.1 (4) |
| Staphylococcus | ND | 5.4 (1) | 5.3 ± 1.8 (2) |
| Streptococcus | 5.9 ± 1.1 (5) | 3.8 ± 0.5 (5) | 5.4 ± 1.3 (5) |
| Total countc | 4.5 ± 2.0 (13) | 4.9 ± 1.4 (8) | 5.8 ± 1.4 (9) |
a
Data are expressed as mean log10 CFU ml−1 ± standard deviations (number of patients).
b
ND, not detected.
c
All genera.