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Table 3 The device-associated infection rate and device utilization (DU) ratio

From: Epidemiology and risk factors for nosocomial infection in the respiratory intensive care unit of a teaching hospital in China: A prospective surveillance during 2013 and 2015

Month

Patient days

CAUTI

CABSI

VAP

No

Catheter days

CAUTI rate

DU ratio

No

Catheter days

CABSI rate

DU ratio

No

Ventilator days

Vap rate

DU ratio

Jan

1161

3

437

6.9

37.6

0

152

0

13.1

5

474

10.6

40.8

Feb

972

3

314

9.6

32.3

1

74

13.4

7.6

4

381

10.5

39.2

Mar

1100

4

360

11.1

32.7

1

152

6.6

13.8

3

566

5.3

51.5

Apr

1045

1

243

4.1

23.3

0

198

0

18.9

5

474

10.5

45.4

May

947

3

210

14.3

22.2

1

25

40.3

2.6

3

482

6.2

50.9

Jun

769

3

205

14.6

26.7

1

118

8.5

15.3

3

335

9

43.6

Jul

853

3

248

12.1

29.1

3

130

23

15.2

6

304

19.7

35.6

Aug

748

2

197

10.2

26.3

1

37

26.9

4.9

7

262

26.7

35.0

Sep

805

3

464

6.5

57.6

1

153

6.5

19.0

4

253

15.8

31.4

Oct

1083

0

451

0

41.6

1

226

4.4

20.9

2

492

4.1

45.4

Nov

970

1

344

2.9

35.5

0

192

0

19.8

3

478

6.3

49.3

Dec

1048

2

311

6.4

29.7

2

164

12.2

15.6

2

295

6.8

28.1

Total

11,501

28

3784

7.4

32.9

12

1622

7.4

14.1

47

4796

9.8

41.7