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Table 1 Clinical characteristics of patients from whom carbapenemase-producing Enterobacterales strains were isolated

From: Institutional outbreak involving multiple clades of IMP-producing Enterobacter cloacae complex sequence type 78 at a cancer center in Tokyo, Japan

Characteristics

All patients

(n = 18)

Patients with isolation of ECC ST78 (n = 14)

Patients with isolation of ECC non-ST78 (n = 4)

Age, mean y [SD]

68.8 [8.1]

69.1 [7.7]

67.8 [9.0]

 Age > 65y

12 (66.7)

9 (64.3)

3 (75)

Sex

 Male

16 (88.9)

13 (92.9)

3 (75)

 Female

2 (11.1)

1 (7.1)

1 (25)

Status

 Infection

6 (33.3)

5 (35.7)

1 (25)

 Colonization detected by clinical cultures

7 (38.9)

4 (28.6)

3 (75)

 Colonization detected by surveillance cultures

5 (27.8)

5 (35.7)

0 (0)

Sample from which CPE was first isolated

 Sputum

6 (33.3)

5 (35.7)

1 (25)

 Bile

3 (16.7)

0 (0)

3 (75)

 Stool

3 (16.7)

3 (21.4)

0 (0)

 Intraabdominal fluid

2 (11.1)

2 (14.3)

0 (0)

 Other

4 (22.2)

4 (28.6)

0 (0)

Ward at the time of isolation of CPE

 ICU

6 (33.3)

4 (28.6)

2 (50)

 Ward-V

5 (27.8)

5 (35.7)

0 (0)

 Ward-X

3 (16.7)

3 (21.4)

0 (0)

 Other

4 (22.2)

2 (14.3)

2 (50)

Department at the time of isolation of CPE

 Surgery-A

7 (38.9)

5 (35.7)

2 (50)

 Surgery-B

4 (22.2)

4 (28.6)

0 (0)

 Medical Oncology-E

3 (16.7)

3 (21.4)

0 (0)

 Other

4 (22.2)

2 (14.3)

2 (50)

Type of malignancy

 Gastrointestinal

17 (94.4)

14 (100)

3 (75)

 Thoracic

1 (5.6)

0 (0)

1 (25)

Cancer chemotherapy within 90 days

6 (33.3)

6 (42.9)

0 (0)

Antimicrobial use within 30 days

16 (88.9)

13 (92.9)

3 (75)

Surgery within 30 days

14 (77.8)

10 (71.4)

4 (100)

 Gastrointestinal

13 (72.2)

10 (71.4)

3 (75)

 Thoracic

1 (5.6)

0 (0)

1 (25)

Endoscopic procedure within 90 daysa

15 (83.3)

12 (85.7)

3 (75)

 Laryngoscopy

3 (16.7)

3 (21.4)

0 (0)

 Esophagogastroscopy

13 (72.2)

11 (78.6)

2 (50)

 Duodenoscopy with ERCP

4 (22.2)

2 (14.3)

2 (50)

 Colonoscopy

6 (33.3)

5 (35.7)

1 (25)

 Bronchoscopy

2 (11.1)

2 (14.3)

0 (0)

30-day mortality

1 (5.6)

1 (7.1)

0 (0)

90-day mortality

3 (16.7)

2 (14.3)

1 (25)

  1. Data are mean [SD] or n (%)
  2. a If a patient received multiple endoscopic procedure, all were counted separately
  3. ECC Enterobacter cloacae complex, CPE carbapenemase-producing Enterobacterales, ERCP endoscopic retrograde cholangiopancreatography