Table 4 Characteristics of hospitalized urinary tract infection patients without hydronephrosis with respect to urolithiasis.
Characteristic | All (n = 955) | Urolithiasis | P-value | |
|---|---|---|---|---|
Non (n = 853) | Yes (n = 102) | |||
Age (year) | 66 ± 18 | 66 ± 18 | 66 ± 16 | 0.875# |
Gender (male) | 255 (26.7) | 216 (25.3) | 39 (38.2) | 0.005¥ |
Diabetes mellitus | 408 (42.7) | 360 (42.2) | 48 (47.1) | 0.349¥ |
Hypertension | 492 (51.5) | 432 (50.6) | 60 (58.8) | 0.118¥ |
Congestive heart failure | 42 (4.4) | 37 (4.3) | 5 (4.9) | 0.797¥ |
Coronary artery disease | 105 (11.0) | 94 (11.0) | 11 (10.8) | 0.943¥ |
Stroke | 205 (21.5) | 187 (21.9) | 18 (17.6) | 0.320¥ |
Prior history of UTI | 0.016¥ | |||
None | 641 (67.1) | 585 (68.6) | 56 (54.9) | |
Once | 180 (18.8) | 155 (18.2) | 25 (24.5) | |
Twice | 75 (7.9) | 66 (7.7) | 9 (8.8) | |
Thrice or more | 59 (6.2) | 47 (5.5) | 12 (11.8) | |
Indwelling Foley catheter | 62 (6.5) | 54 (6.3) | 8 (7.8) | 0.558¥ |
Afebrile | 355 (37.2) | 314 (36.8) | 41 (40.2) | 0.504¥ |
Bacteremia | 416 (43.6) | 366 (42.9) | 50 (49.0) | 0.239¥ |
Uroseptic shock | 176 (18.4) | 150 (17.6) | 26 (25.5) | 0.052¥ |
Acute kidney injury | 105 (11.0) | 82 (9.6) | 23 (22.5) | < 0.001¥ |
Length of hospital stay (day) | 9 ± 5 | 9 ± 5 | 9 ± 4 | 0.861# |
All-cause in-hospital mortality | 6 (0.6) | 6 (0.7) | 0 (0.0) | 0.507¥ |
Hospitalized serum creatinine (mg/dL) | 1.47 ± 1.39 | 1.46 ± 1.39 | 1.58 ± 1.41 | 0.392# |
Baseline eGFR (mL/min/1.73 m2) | 76.84 ± 30.14 | 76.89 ± 30.55 | 76.36 ± 26.61 | 0.865# |
BUN/creatinine ratio > 20 | 305 (31.9) | 273 (32) | 32 (31.4) | 0.897¥ |
Mean white blood cell (103/μL) | 13.28 ± 5.94 | 13.21 ± 5.91 | 13.82 ± 6.24 | 0.330# |
Platelets (103/μL) | 205.56 ± 112.65 | 206.21 ± 115.61 | 200.12 ± 84.17 | 0.606# |
Escherichia coli | 764 (80.0) | 690 (80.9) | 74 (72.5) | 0.047¥ |
Proteus species | 22 (2.3) | 14 (1.6) | 8 (7.8) | 0.001¥ |
Klebsiella species | 67 (7.0) | 60 (7.0) | 7 (6.9) | 0.949¥ |
Enterococcus species | 32 (3.4) | 30 (3.5) | 2 (2.0) | 0.567¥ |
Pseudomonas species | 48 (5.0) | 43 (5.0) | 5 (4.9) | 0.952¥ |
Nephrotoxic agents | 571 (60.0) | 514 (60.5) | 57 (55.9) | 0.371¥ |
Cephalosporins | 658 (68.9) | 584 (68.5) | 74 (72.5) | 0.400¥ |
Fluoroquinolones | 97 (10.2) | 85 (10) | 12 (11.8) | 0.570¥ |
Penicillins | 112 (11.7) | 99 (11.6) | 13 (12.7) | 0.735¥ |
Aminoglycosides | 70 (7.3) | 64 (7.5) | 6 (5.9) | 0.553¥ |
Carbapenems | 55 (5.8) | 52 (6.1) | 3 (2.9) | 0.196¥ |
Multidrug-resistance bacterial isolate | 327 (34.2) | 290 (34.0) | 37 (36.3) | 0.647¥ |
