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Characteristic
All patients with pyogenic liver abscess
Klebsiella pneumoniae liver abscess
Crude ORa b
Age-adjusted OR (95% CI)
P c
Age (years)
< 40
11
3
1.00
≥ 40
26
13
2.67 (0.58–12.36)
Gender
Female
9
4
1.00
Male
28
12
0.94 (0.21–4.26)
1.03 (0.22–4.84)
0.971
Region of ethnic origin
Middle East and North Africa
16
7
1.00
Indian subcontinent and South East Asia
21
9
0.96 (0.26–3.58)
1.17 (0.30–4.61)
0.825
Health Insurance status
Insured or self-paying
28
12
1.00
Free medical assistance
9
4
1.07 (0.23–4.84)
0.84 (0.17–4.05)
0.827
Haemoglobin level (g/L)
≥ 100
29
12
1.00
< 100
5
3
2.13 (0.31–14.73)
1.35 (0.18–10.01)
0.769
Total white blood cells
< 11
11
7
1.00
≥ 11
23
8
0.30 (0.07–1.36)
0.42 (0.09–2.02)
0.277
Diabetes mellitus
No
25
9
1.00
Yes
12
7
2.49 (0.61–10.18)
1.87 (0.39–8.89)
0.433
Malignancy
No
34
15
1.00
Yes
3
1
0.63 (0.05–7.67)
0.46 (0.04–5.79)
0.547
Recent abdominal surgery
No
31
14
1.00
Yes
6
2
0.6 (0.10–3.82)
0.51 (0.08–3.36)
0.483
Intensive care admission
No
30
13
1.00
Yes
7
3
0.98 (0.19–5.17)
0.81 (0.15–4.50)
0.813
Length of hospital stay (days)
< 10
12
4
1.00
≥ 10
25
12
1.85 (0.44–7.74)
1.62 (0.37–7.06)
0.524
a Odds ratiob Confidence intervalc For age-adjusted odds ratio
