Skip to main content

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.