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Table 4 Possible transmission sources among 17 patients who carried and/or were infected with Pseudomonas aeruginosa

From: Surveillance of surgical site infections by Pseudomonas aeruginosa and strain characterization in Tanzanian hospitals does not provide proof for a role of hospital water plumbing systems in transmission

Patient

ID

Age (years)

Sex

Hospital

Ward Category

Type of Surgery

Hospital stay

(days)

P.a. Carriage at Admission

P.a. strain (ST)

P.a. Carriage at Discharge

P. a. strain (ST)

SSI with P. a.

P. a. strain (ST)

P. a. strain (ST) in admitting ward

70

55

M

Bugando

General surgery

Laparotomy

7

Yes

2319a

No

-

No

-

381, 834

93

67

M

Bugando

General surgery

Esophagotomy

2

Yes

2319 a

Yes

2319 a

Yes

2319 a

381, 834

528

26

M

Bugando

General surgery

Laparotomy

18

No

-

No

-

Yes

2317a

381, 834

532

27

M

Bugando

General surgery

Colostomy

6

No

-

Yes

553

No

-

381, 834

323

1

F

Bugando

General surgery

Fistulectomy

8

No

-

Yes

399

No

-

381, 236

436

47

M

Bugando

General surgery

Mastectomy

2

Yes

399

Yes

399

No

-

381, 236

477

63

F

Bugando

General surgery

Mastectomy

2

Yes

381

No

-

No

-

381, 236

GN001

58

F

Bugando

Gynaecology

Laparotomy

10

Yes

2307 a

Yes

2307 a

No

-

381, 2307 a, 2325a

GN002

49

F

Bugando

Gynaecology

Myomectomy

10

No

-

Yes

2307 a

No

-

381, 2307 a, 2325a

GN003

45

F

Bugando

Gynaecology

Laparotomy

4

Yes

2307 a

No

-

No

-

381, 2307, a 2325a

GN026

33

F

Bugando

Gynaecology

Laparotomy

8

No

-

No

-

Yes

244

381, 2307a, 2325a

33

27

M

Bugando

Orthopaedic

ORIF

23

No

-

No

-

Yes

235

381

41

28

M

Bugando

Orthopaedic

ORIF

21

No

-

No

-

Yes

235

381

245

83

M

Bugando

Orthopaedic

ORIF

10

Yes

235

No

-

No

-

381

11

54

F

Bugando

Orthopaedic

ORIF

33

No

-

No

-

Yes

235

381, 834, 2307a, 2326a

LW028

31

F

Bugando

Obstetrics

Csection

3

Yes

235

No

-

Yes

235

381, 834

ST098

30

F

Sekou Toure

Obstetrics

Csection

4

No

-

Yes

2309 a

Yes

2309 a

2307a

  1. Key: P.a; Pseudomonas aeruginosa; SSI; Surgical site infection; ORIF; Open Reduction Internal Fixation; Csection; Caesarean Section; aNew sequence type (ST); bold numbers indicate shared sequence type identity between carried and SSI P. aeruginosa or between carried P. aeruginosa and P. aeruginosa from water samples in the same ward. All 17 patients were followed-up for SSI