TABLE 5.

Univariate analysis comparing the urinary tract infection patient groups with and without 90-day relapse

Parametera	Patient groups with or without a 90-day relapse		P
	Without (n = 47)	With (n = 16)
Median age in yrs (IQR)	73.0 (24)	68.0 (26)	0.47
Male, no. (%)	16 (34)	8 (50)	0.26
No. (%) of subjects with underlying urinary diseaseb	16 (34)	7 (44)	0.49
Zone diam, in mm (minimum–maximum, IQR)/eMIC(minimum–maximum) in mg/L	20.0 (16.0–26.0, 3)/1.0 (1.3–2.2)	20.0 (18.0–22.0, 4)/0.78 (0.9–1.4)	0.68
Escherichia coli, no. (%)	40 (85)	14 (88)	1.00
Klebsiella pneumoniae, no. (%)	7 (15)	2 (12)
No. (%) of subjects with complicated UTI	43 (91)	13 (81)	0.36
No. (%) of subjects with diagnosis of
Acute pyelonephritis	4 (9)	9 (56)
Prostatitis	25 (53)	2 (13)
Unclassifiable	5 (11)	1 (6)
Cystitis	13 (28)	4 (25)	1.00
FRPM as empirical treatment, no. (%)	23 (49)	8 (50)
Combination therapy, no. (%)	18 (38)	9 (56)	0.21
Total duration of treatment, days (IQR)	15 (20)	23 (23)	0.21
Duration of FRPM treatment, days (IQR)	14 (18)	15 (12)	0.19

^aeMIC, estimated MIC; IQR, interquartile range.

^bIncluding post-urological surgery.