Table 4

Univariate analysis of risk factors for intrahospital death among 1632 children* with suspected systemic infection

Risk factor
CFR % (n)
OR
95% CI
P

Overall
17.0 (277/1632)



Male sex
15.5 (143/920)
0.79
0.61 to 1.03
0.084
Neonate (< 1 m)
14.8 (70/473)
0.80
0.59 to 1.07
0.146





Underlying conditions




Malnutrition
29.3 (71/242)
2.37
1.73 to 3.25
< 0.001
HIV infection (laboratory confirmed)
31.7 (46/145)
2.40
1.60 to 3.59
< 0.001
Other infectious underlying conditions
30.6 (33/108)
2.29
1.48 to 3.52
< 0.001
- Tuberculosis
30.5 (29/95)
2.26
1.43 to 3.58
0.001
- Hepatitis
44.4 (4/9)
3.92
1.04 to 14.67
0.052
- Congenital syphilis
50.0 (1/2)
4.85
0.30 to 77.79
0.313
Other non-infectious underlying conditions
17.1 (20/117)
1.00
0.60 to 1.64
1.000
- Sickle cell disease
3.0 (1/33)
0.15
0.02 to 1.09
0.032
- Neoplasia
60.0 (3/5)
7.32
1.22 to 44.05
0.038
- Congenital heart disease
27.3 (9/33)
1.77
0.82 to 3.83
0.156





Malaria (laboratory confirmed)
20.2 (67/331)
1.29
0.95 to 1.76
0.102





Growth in blood culture of:




Any pathogen
34.9 (80/229)
3.29
2.41 to 4.48
< 0.001
Any GNR
43.5 (64/147)
4.60
3.22 to 6.60
< 0.001
Any Enterobacteriaceae
45.6 (52/114)
4.82
3.25 to 7.15
< 0.001
- E. coli
50.0 (15/30)
5.11
2.47 to 10.59
< 0.001
- Klebsiella spp.
48.9 (22/45)
5.00
2.74 to 9.10
< 0.001
- All non-typhoid Salmonellae
36.4 (12/33)
2.88
1.40 to 5.92
0.007
- Salmonella Enteritidis
21.1 (4/19)
1.31
0.43 to 3.97
0.548
- Salmonella Typhimurium
53.9 (7/13)
5.83
1.94 to 17.48
0.003
- Enterobacter spp.
71.4 (5/7)
12.43
2.40 to 64.43
0.002
Any non-Enterobacteriaceae GNR
40.6 (13/32)
3.46
1.69 to 7.10
0.001
- Pseudomonas aeruginosa
66.7 (8/12)
10.04
3.00 to 33.59
< 0.001
- Acinetobacter spp.
9.1 (1/11)
0.49
0.06 to 3.82
0.702
Gram-positive pathogen†
16.7 (11/66)
0.98
0.50 to 1.89
1.000
- Enterococci
19.4 (7/36)
1.19
0.51 to 2.73
0.655
- E. faecium
6.7 (1/15)
0.35
0.05 to 2.65
0.490
- E. faecalis
28.6 (4/14)
1.97
0.61 to 6.33
0.275
- S. aureus
7.1 (2/28)
0.37
0.09 to 1.58
0.208
Candida
33.3 (8/24)
2.49
1.05 to 5.87
0.049
Polymicrobial infection
41.4 (12/29)
3.56
1.68 to 7.55
0.002





Inappropriate antimicrobial therapy due to:




- ESBL-producing, multiresistant isolates
71.4 (15/21)
12.87
4.95 to 33.48
< 0.001
- Other bacterial resistance (non-ESBL)
37.8 (17/45)
3.14
1.69 to 5.83
0.001
- Any bacterial resistance (ESBL + other)
47.7 (31/65)
5.01
3.02 to 8.31
< 0.001
- Any antimicrobial resistance (including fungi)
43.8 (39/89)
4.39
2.82 to 6.83
< 0.001





Hospital-acquired infection
35.5 (44/124)
3.01
2.03 to 4.46
< 0.001
Readmission stay
15.2 (14/92)
0.87
0.49 to 1.56
0.775

CFR, case-fatality rate; OR, odds ratio; 95%CI: 95% confidence interval; P, p-value calculated with two-sided Fisher's exact test; GNR, Gram-negative rod; ESBL, extended-spectrum beta-lactamase. *The outcome was known for 1632 among a total of 1828 admissions. † Anaerobes, coagulase-negative staphylococci and bacterial isolates of uncertain pathogenicity were not included. ‡ Blood culture obtained > 2 days after admission.

Blomberg et al. BMC Infectious Diseases 2007 7:43   doi:10.1186/1471-2334-7-43