Table 1.
Characteristicsa | Total (n = 285) |
Atypical presentation | |
---|---|---|---|
Yes (n = 144) | No (n = 141) | ||
Median age (IQR) | 82 (73–87) | 83 (78–82) | 80 (67–86) |
Women | 186 (65.3) | 86 (59.7) | 100 (70.9) |
Nursing home | 44 (15.4) | 25 (17.4) | 19 (13.5) |
The time to initial visit from symptom onset | |||
Median days (IQR) Less than 24 h |
1 (0–2) 114 (40.0) |
1 (0–2) 70 (48.6) |
1 (0–2) 44 (31.2) |
Medical history | |||
Hypertension Dementia Stroke Ischemic heart disease Benign prostatic hypertrophy Diabetes mellitus |
156 (54.7) 53 (18.6) 62 (21.8) 24 (8.4) 26 (9.1) 102 (35.8) |
85 (59.0) 37 (25.7) 33 (22.9) 9 (6.3) 14 (9.7) 54 (37.5) |
71 (50.4) 16 (11.4) 29 (20.6) 15 (10.6) 12 (8.5) 48 (34.0) |
Symptoms at presentation | |||
Fever Nausea or vomiting Weakness Flank pain Back pain Dysuria Frequent urination Dyspnea Lower abdominal pain Altered mental status |
233 (81.8) 78 (27.4) 86 (30.2) 11 (3.9) 37 (13.0) 16 (5.6) 36 (12.6) 26 (9.1) 14 (4.9) 93 (32.6) |
112 (77.8) 35 (24.3) 51 (35.4) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 13 (9.0) 0 (0.0) 54 (37.5) |
121 (85.8) 43 (30.5) 35 (24.8) 11 (7.8) 37 (26.2) 16 (11.4) 36 (25.5) 13 (9.2) 14 (9.9) 39 (27.7) |
Physical signs at presentation | |||
Lower abdominal tenderness Costovertebral angle tenderness |
24 (8.4) 91 (31.9) |
0 (0.0) 0 (0.0) |
24 (17.0) 91 (64.5) |
Initial diagnosis at first contact | |||
Urinary tract infection or urosepsis Fever (unspecified) Pneumonia |
202 (70.9) 27 (9.5) 14 (4.9) |
85 (59.0) 22 (15.3) 12 (8.3) |
117 (83.0) 5 (3.6) 2 (1.4) |
In-hospital mortality | 17 (6.0) | 11 (7.6) | 6 (4.3) |
aValues are expressed as numbers with the percentages of the total numbers, unless otherwise stated.