TABLE 5.
Association of F-specific papA alleles with serotype and carboxylesterase B type among 75 E. coli urosepsis isolates
| papA allele (no. of isolates) | Group | No. with papA allele/total (%)
|
P value | |
|---|---|---|---|---|
| Group members | Other strains | |||
| F7-2 (13) | O6:K2:H1 | 10/11 (91) | 3/64 (5) | <0.001 |
| F10 (20) | Carboxylesterase B type B2 | 17/48 (35) | 3/27 (11) | 0.03 |
| Serogroup O75 | 5/5 (100) | 15/70 (21) | <0.001 | |
| F11 (10) | O1:K1:H7, O2:K1:H7 | 10/10 (100) | 56/65 (9) | <0.001 |
| F12 (3) | O12:K1:H6 | 2/4 (50) | 1/71 (1) | 0.006 |
| F13 (2) | O6:K5:H− | 2/2 (100) | 0/73 (0) | <0.001 |
| F14 (6) | O2:K5:H1, O2:K7:H1 | 3/5 (60) | 3/70 (4) | 0.003 |
| F16 (8) | O4:K12:H1 | 2/3 (67) | 6/72 (8) | 0.03 |
| Carboxylesterase B type B1 | 6/27 (22) | 2/48 (4) | 0.02 | |
| O15:K52:H1 | 2/2 (100) | 6/73 (8) | 0.01 | |
| O25:K2:H2 | 2/2 (100) | 6/73 (8) | 0.01 | |
| O157 | 2/2 (100) | 6/73 (8) | 0.01 | |
| F48a | O12:K1:H6 | 2/4 (50) | 2/71 (3) | 0.01 |
a
The F48 allele was discovered as part of present study.