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Table 3 Incidence of nosocomial Staphylococcus aureus bloodstream infection and estimated annual number of cases nationwide

From: The burden of nosocomial staphylococcus aureus bloodstream infection in South Korea: a prospective hospital-based nationwide study

Age group

 

Actual number

Total patient-days for 22 hospitals

Incidence of SA BSI (per 1,000 patient-days)

Total patient-days for 92 hospitals

Estimated annual number of SA-BSI cases

  

Male

Female

Total

Male

Female

Total

Male

Female

Total

Male

Female

Total

Male

Female

Total

Total

MRSA

167

87

254

3,273,055

2,987,471

6,260,525

0.15

0.09

0.12

12,865,024

11,342,270

24,207,293

1969

991

2946

MSSA

41

44

85

0.04

0.04

0.04

483

501

986

0-9

MRSA

6

7

13

389,736

292,724

682,460

0.05

0.07

0.06

1,272,094

960,391

2,232,485

59

69

128

MSSA

3

5

8

0.02

0.05

0.04

29

49

79

10-19

MRSA

4

0

4

157,139

97,236

254,375

0.08

0.00

0.05

543,108

333,271

876,379

41

0

41

MSSA

0

1

1

0.00

0.03

0.01

0

10

10

20-29

MRSA

2

1

3

156,072

160,269

316,341

0.04

0.02

0.03

568,594

591,027

1,159,621

22

11

33

MSSA

0

2

2

0.00

0.04

0.02

0

22

22

30-39

MRSA

8

4

12

208,994

291,053

500,048

0.11

0.04

0.07

804,148

1,062,531

1,866,679

92

44

134

MSSA

3

0

3

0.04

0.00

0.02

35

0

34

40-49

MRSA

9

8

17

375,999

383,098

759,097

0.07

0.06

0.07

1,501,241

1,464,574

2,965,815

108

92

199

MSSA

4

4

8

0.03

0.03

0.03

48

46

94

50-59

MRSA

38

10

48

599,353

478,517

1,077,870

0.19

0.06

0.13

2,392,430

1,898,890

4,291,320

455

119

573

MSSA

13

9

22

0.07

0.06

0.06

156

107

263

60-69

MRSA

48

11

59

660,593

515,558

1,176,151

0.22

0.06

0.15

2,774,688

2,005,009

4,779,697

605

128

719

MSSA

13

9

22

0.06

0.05

0.06

164

105

268

70-79

MRSA

34

29

63

568,375

554,828

1,123,203

0.18

0.16

0.17

2,311,691

2,156,892

4,468,583

415

338

752

MSSA

4

11

15

0.02

0.06

0.04

49

128

179

>80

MRSA

18

17

35

156,794

214,188

370,981

0.34

0.24

0.28

697,029

869,686

1,566,715

240

207

443

MSSA

1

3

4

0.02

0.04

0.03

13

37

51

  1. Abbreviations: MRSA Methicillin-resistant S. aureus, MSSA Methicillin-susceptible S. aureus, SA-BSI S. aureus bloodstream infection.