Table 4.
Distributions of the MIGs among 342 E. coli isolates in different source groups
| Gene | No. (%) of E. coli isolates |
P valuea |
|||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fecal isolates (n = 115) |
Cystitis isolates (n = 67) |
Pyelonephritis isolates (n = 72) |
Urosepsis isolates (n = 64) |
BTI isolatesb (n = 24) |
Fecal vs cystitis | Fecal vs pyelonephritis | Fecal vs urosepsis | Fecal vs BTI | Cystitis vs pyelonephritis | Cystitis vs urosepsis | Pyelonephritis vs urosepsis | BTI vs cystitis | BTI vs pyelonephritis | BTI vs urosepsis | |
| cjrABC-senB | 23 (20) | 24 (36) | 32 (44) | 23 (36) | 2 (9) | 0.023 | 0.001 | 0.031 | − | − | − | − | 0.016 | 0.001 | 0.015 |
| sivH | 21 (18) | 36 (54) | 37 (51) | 30 (47) | 4 (13) | <0.001 | <0.001 | <0.001 | − | − | − | − | 0.002 | 0.004 | 0.013 |
| shiA | 40 (35) | 47 (70) | 62 (86) | 54 (84) | 6 (25) | <0.001 | <0.001 | <0.001 | − | 0.025 | − | − | <0.001 | <0.001 | <0.001 |
| sisA | 35 (30) | 45 (67) | 61 (85) | 51 (80) | 5 (22) | <0.001 | <0.001 | <0.001 | − | 0.017 | − | − | <0.001 | <0.001 | <0.001 |
| sisB | 10 (9) | 19(28) | 16(22) | 20 (31) | 3 (13) | 0.001 | 0.016 | <0.001 | − | − | − | − | − | − | − |
| eco274 | 31 (27) | 22 (33) | 31 (43) | 30 (47) | 7(38) | − | 0.026 | 0.009 | − | − | − | − | − | − | − |
| fbpB | 18 (16) | 30 (45) | 32 (44) | 32 (50) | 3 (9) | <0.001 | <0.001 | <0.001 | − | − | − | − | 0.006 | 0.006 | 0.001 |
a
Only P values of <0.05 (by Fisher's exact test) are shown. −, P value of ≥0.05.
b
“BTI isolates” indicates BTI-associated bacteremia isolates.