Table 2 Comparison of participants* from the US and Afghanistan study sites with gram-negative bacteria

Age (median, IQR)

22 (20,25)

23 (22,25.8)

0.07

Gender- males

69

100

<0.01

Total colonized

85

84

0.98

 Nares

4

12

0.04

 Oropharynx

14

8

0.26

 Axilla

11

13

0.65

 Groin

9

23

<0.01

 Hand

7

12

0.22

 Foot

27

13

0.15

 Perirectal

66

70

0.48

Total multidrug resistant (MDR) colonized

2

11

0.01

 Groin

0

4

0.12

 Foot

0

1

0.50

 Perirectal

2

9

0.03

All bacteria

 Acinetobacter baumannii-calcoaceticus complex

8

4

0.24

 Acinetobacter lwoffii

8

13

0.24

 Citrobacter species

11

5

0.19

 Enterobacter aerogenes

5

9

0.28

 Enterobacter cloacae

6

3

0.50

 Escherichia coli

51

67

0.02

 Klebsiella pneumoniae

12

20

0.12

 Pseudomonas aeruginosa

5

2

0.45

 Serratia marcescens

9

1

0.02

 Stenotrophomonas maltophilia

5

0

0.06

Total sites colonized

0.44

 0

16

16

 1

48

36

 2

24

31

 3

10

15

 4

3

2

Total gram-negative rod bacteria isolates

0.62

 0

16

16

 1

32

24

 2

23

22

 3

17

21

 4

7

10

 5

4

5

 6

0

1

 7

2

0

 10

0

1