Table 1 Characteristics of non-ICU versus ICU patients.
Patients | |||
|---|---|---|---|
Non-ICU | ICU | p-value | |
No. | 44 | 21 | |
Age, Median (IQR) | 57 (51–69) | 64 (56–76) | 0.1872 |
Sex, No. (%) | 0.9900 | ||
Male | 10 (22.73) | 4 (19.05) | |
Female | 34 (77.27) | 17 (80.95) | |
Major Predisposing factors, No. (%) | |||
Diabetes mellitus | 38 (86.36) | 19 (90.48) | 0.9900 |
Urinary obstruction | 14 (31.82) | 7 (33.33) | 0.9028 |
Renal failure | 13 (29.55) | 8 (38.1) | 0.4906 |
Vital sign, Median (IQR) | |||
Body Temperature (°C) | 37.1 (36.4–37.9) | 37.3 (36.4–38.2) | 0.7372 |
Pulse rate (/min) | 100.5 (91.5–113) | 111 (98–120) | 0.1759 |
Respiratory rate (/min) | 19.5 (18–20) | 20 (18–22) | 0.7062 |
SpO2 (%)* | 97.4 (98–96) | 88 (97–87) | 0.0036 |
Glasgow Coma Scale, No. (%)* | 0.0070 | ||
≤8 | 1 (2.27) | 3 (14.29) | |
9~11 | 1 (2.27) | 4 (19.05) | |
≥12 | 42 (95.45) | 14 (66.67) | |
Clinical presentations, No. (%) | |||
Fever | 29 (65.91) | 12 (57.14) | 0.4934 |
Dysuria / Pyuria | 23 (52.27) | 8 (38.1) | 0.2845 |
Nausea / Vomiting | 12 (27.27) | 4 (19.05) | 0.4716 |
Flank pain | 26 (59.09) | 8 (38.1) | 0.1130 |
Abdominal pain | 10 (22.73) | 9 (42.86) | 0.0952 |
Septic shock* | 2 (4.55) | 10 (47.62) | <0.0001 |
Laboratory results, Median (IQR) | |||
Leukocyte count (×103/μL) | 13.45 (9.6–18.1) | 14.5 (7.6–18.7) | 0.9833 |
Haematocrit (%) | 31.85 (27.2–35.05) | 30.7 (25.6–33.9) | 0.5255 |
Platelets (×103/μL)* | 192.5 (118.5–289) | 105 (64–221) | 0.0204 |
Segment (%) | 83.5 (75.75–90.85) | 82 (76–88) | 0.4389 |
Band (%)* | 0 (0–2) | 3 (0.5–8) | 0.0058 |
Blood glucose (mg/dL) | 287 (144.5–489.5) | 270 (183–515) | 0.8917 |
Blood Urea Nitrogen (mg/dL)* | 25 (10–48) | 46.6 (35–65) | 0.0123 |
Creatinine (mg/dL)* | 1.135 (0.79–2.49) | 2.6 (1.8–4.04) | 0.0009 |
Estimated Glomerular Filtration Rate (ml/min/1.73 m2)* | 44.55 (22.32–82.22) | 18.25 (12.49–26.62) | 0.0010 |
Involved Kidney, No. (%) | 0.9935 | ||
Left | 23 (52.27) | 11 (52.38) | |
Right | 21 (47.73) | 10 (47.62) | |
Management, No. (%) | |||
Antibiotics without invasive procedure | 8 (18.18) | 1 (4.76) | 0.2512 |
Percutaneous drainage | 29 (65.91) | 9 (42.86) | 0.0778 |
Surgical drainage | 6 (13.64) | 3 (14.29) | 0.9900 |
Nephrectomy* | 1 (2.27) | 9 (42.86) | <0.0001 |
Symptom onset to ED presentation (days), Median (IQR)* | 4 (2–7) | 1 (1–3) | 0.0095 |
ED presentation to ward/ICU admission (hrs), Median (IQR) | 14.9 (5.6–25.9) | 11 (3.8–20.8) | 0.3333 |
ED presentation to operation (hrs), | |||
Median (IQR) | 21 (2.5–120) | 10 (5–46) | 0.3641 |
Days of admission to general ward, Median(IQR) | 20.5 (13.5–31.5) | 16 (10–33) | 0.0760 |
Days of admission to ICU, Median(IQR)* | 0 (0–0) | 5 (4–8) | <0.0001 |
Mortality, No. (%)* | 0 (0) | 9 (42.86) | <0.0001 |