Table 4.

Baseline characteristics and clinical manifestations of uropathogenic Escherichia coli infection according to phylogenetic group

	Phylogenetic group B2 (n = 276)	Phylogenetic group D (n = 62)	p value
Age, years	69.43 ± 14.59	69.16 ± 14.13	0.893
Male sex	57 (20.7%)	4 (6.5%)	0.009
Category of UTI
Acute pyelonephritis	269 (97.5%)	61 (98.4%)	0.999*
Acute prostatitis	8 (2.9%)	2 (3.2%)	0.999*
Renal abscess	20 (7.2%)	8 (12.9%)	0.144
Prostatic abscess	4 (1.4%)	0 (0.0%)	0.999*
Category of infection
Community-acquired	192 (69.6%)	52 (83.9%)	0.023
Healthcare-associated	71 (25.7%)	7 (11.3%)	0.015
Nosocomial	13 (4.7%)	3 (4.8%)	0.999*
Underlying diseases
Solid tumor	39 (14.1%)	9 (14.5%)	0.937
Hematologic malignancy	0	0
Chronic liver disease	43 (15.6%)	7 (11.3%)	0.390
Liver cirrhosis	14 (5.1%)	0 (0.0%)	0.082*
Cardiovascular disease	75 (27.2%)	16 (25.8%)	0.826
Hypertension	143 (51.8%)	39 (62.9%)	0.113
Neurologic disease	98 (35.5%)	19 (30.6%)	0.467
Chronic renal disease	14 (5.1%)	4 (6.5%)	0.753*
Diabetes mellitus	101 (36.6%)	32 (51.6%)	0.029
Chronic lung disease	28 (10.1%)	7 (11.3%)	0.789
Solid organ transplantation	2 (0.7%)	0 (0.0%)	0.999*
Predisposing factors
Pregnancy	1 (0.4%)	0 (0.0%)	0.999*
Neurogenic bladder	24 (8.7%)	5 (8.1%)	0.873
BPH or uterine prolapse	26 (9.4%)	2 (3.2%)	0.110
Urogenic anomaly	4 (1.4%)	0 (0.0%)	0.999*
Nephrectomy state (one kidney)	3 (1.1%)	1 (1.6%)	0.557*
Neutropenia	0	0
Previous genitourinary surgery or procedure within 72 h	0	0
Recurrent UTI	32 (11.6%)	6 (9.7%)	0.666
Presence of urologic devices	1 (0.4%)	0 (0.0%)	0.999*
Intermittent catheterization	2 (0.7%)	0 (0.0%)	0.999*
Urinary catheter	23 (8.3%)	3 (4.8%)	0.439*
Prior antibiotics within 3 months	64 (23.2%)	12 (19.4%)	0.514
Type of UTI
Bacteremic UTI	167 (60.5%)	44 (71.0%)	0.124
Complicated UTI	57 (20.7%)	4 (6.5%)	0.009
Severe UTI	94 (34.1%)	21 (33.9%)	0.978

BPH benign prostate hyperplasia, UTI urinary tract infection

*Fisher’s extract test