Table 1 Demographic data of host and bacterial characteristics
of urinary-tract-related Escherichia coli isolates
Total n Z 271
Host characteristic
Age (y) 68 14
Sex (female) 213 (79)
Diabetes mellitus 190 (70)
Hemoglobin A1C (%) of diabetic patients 8.0 2.1
Asymptomatic bacteriuria 63 (23)
Urinary tract infection 97 (36)
Urosepsis 111 (41)
Bacterial characteristic
Phylogenetic group
A 31 (11)
B1 43 (16)
B2 136 (50)
D 61 (23)
Antimicrobial resistance
Ampicillin 210 (77)
Gentamicin 89 (33)
Cefazolin 80 (30)
Second-generation cephalosporins 59 (22)
Third-generation cephalosporins 56 (21)
Fourth-generation cephalosporins 31 (11)
Fluoroquinolones 86 (32)
Data are presented as mean standard deviation or number
(percentage).