Table 1 Characteristics of non-ICU versus ICU patients.

From: Predicting need for intensive care unit admission in adult emphysematous pyelonephritis patients at emergency departments: comparison of five scoring systems

 

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

  1. * indicates a statistically significant difference between non-ICU and ICU patients.