Table 1.
Clinical characteristics of 1,198 patients with invasive Staphylococcus aureus infections in 9 active surveillance core centers in 3 regions of Korea, July 2009 ~ June 2011
|
Primary diagnosis, infection |
No. of Cases |
No. of MRSA infection |
Age, median in year (IQR) |
Community-associated |
Healthcare-associated |
30–day mortality, n/N (%) |
|
|---|---|---|---|---|---|---|---|
| Community-onset | Hospital-onset | ||||||
| Catheter-associated |
225 (19) |
169 (75) |
63 (49-63) |
0 |
57 (25) |
168 (75) |
52/201 (26) |
| Respiratory tract |
160 (13) |
109 (68) |
70 (55-77) |
34 (21) |
32 (20) |
94 (59) |
52/132 (39) |
| Skin and soft tissue |
152 (13) |
71 (47) |
65 (51-74) |
40 (26) |
50 (33) |
62 (41) |
23/128 (18) |
| Surgical site |
103 (9) |
87 (85) |
61 (45-70) |
6 (6) |
17 (17) |
80 (78) |
13/99 (13) |
| Bone and joint |
120 (10) |
57 (48) |
67 (54-73) |
51 (43) |
37 (31) |
32 (27) |
14/107 (13) |
| Endocarditis |
23 (2) |
7 (30) |
64 (45-72) |
9 (39) |
13 (57) |
1 (4) |
7/18 (39) |
| Intra-abdominal |
84 (7) |
62 (74) |
64 (45-74) |
12 (14) |
30 (36) |
42 (50) |
21/76 (28) |
| Urinary tract |
22 (2) |
13 (59) |
69 (56-76) |
5 (23) |
7 (32) |
10 (46) |
6/17 (35) |
| Others |
4 (0) |
4 (100) |
50 (39-60) |
1 (25) |
1 (25) |
2 (50) |
0/3 (0) |
| Unknown |
305 (26) |
169 (55) |
62 (38-74) |
65 (21) |
78 (26) |
162 (53) |
74/243 (30) |
| Total | 1,198 | 748 (62) | 64 (48-74) | 223 (19) | 322 (27) | 653 (55) | 262/1,024 (26) |
Data indicate no. (%) of patients. MRSA, methicillin-resistant S. aureus; IQR, interquartile range.