TABLE 2.
Frequency of isolation of various groups of bacteria from HLA-B27 rats
| Group | Values for rats with indicated statusa
|
||
|---|---|---|---|
| Healthy (n = 6) | Intermediate disease (n = 12) | Severe disease (n = 11) | |
| Gram-negative facultative organisms | 6 (6.45) | 11 (7.95) | 11 (8.47) |
| Gram-positive facultative organisms | 6 (8.42) | 12 (8.96) | 11 (9.38) |
| Gram-negative anaerobes | 6 (9.03) | 12 (9.47) | 11 (9.00) |
| Gram-positive anaerobes | 6 (9.08) | 12 (9.87) | 11 (9.82) |
| Bacteroides | 6 (9.00) | 12 (9.33) | 11 (8.97) |
| Prevotella | 2 (8.62) | 6 (9.61) | 5 (9.20) |
| Lactobacillus | 6 (9.00) | 12 (9.58) | 11 (9.59) |
| Clostridium | 2 (6.81) | 1 (9.67) | 1 (5.78) |
| Proteus | 2 (7.02) | 5 (6.91) | 6 (7.44) |
a
Number of rats from which organisms were isolated (mean count, log10 CFU/gram [dry weight]).