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Table 2 SGI1 and severity of the illness: comparison of clinical and biological dataa

From: “Does the Salmonella Genomic Island 1 (SGI1) confer invasiveness properties to human isolates?”

Variables

SGI1-positive

SGI1-negative

p-valuec

N

12

88

 

Age (years)

13.9 (56.9)

18.4 (54.2)

p = 0.62

Sex ratio M/F

5/7

42/46

p = 0.77

Immunosuppression

2 (16.7)

15 (17.0)

p = 1.00

Invasive infection

2 (16.7)

13 (14.8)

p = 1.00

Bacteremia

2 (16.7)

10 (11.4)

p = 0.63

Sepsis

2 (16.7)

13 (14.8)

p = 1.00

Fever or hypothermia

5 (41.7)

53 (63.9)

p = 0.21

 Missingb

0

5

 

Inflammatory response

11 (100)

71 (96.0)

p = 1.00

 Missingb

1

14

 

Bloody stool

2 (16.7)

20 (23.5)

p = 0.73

 Missingb

0

3

 

Leukocytes in stool

2 (16.7)

36 (43.9)

p = 0.11

 Missingb

0

6

 

Intravenous hydration required

5 (45.5)

41 (65.1)

p = 0.31

 Missingb

1

25

 

Length of hospital stay in days

2.5 (5)

4 (6)

p = 0.39

Infection with Serovar Typhimurium

7 (58.3)

29 (33.0)

p = 0.11

 DT104 phage type

5 (41.6)

4 (4.5)

p = 0.001

Infection with S. enterica harboring at least 1 resistance

12 (100)

67 (76.1)

p = 0.07

Infection with S. enterica harboring penta – resistance (ACSSuT)d

6 (50)

3 (3.4)

p < 0.001

  1. aData are presented as median (interquartile range) for age and for long out of stay in hospital days or number of patients n (%)
  2. bMissing refers to data not available in medical records
  3. cFisher’s exact test and Kruskal-Wallis test were performed as appropriate and p-values <0.05 were considered statistically significant
  4. dACSSuT: Amoxicillin, Chloramphenicol, Streptomycin, Sulphonamides and Tetracyclines
  5. Number italicized were statically significant