Table 2.
Distribution of S. aureus clonal complexes according to place of acquisition, methicillin resistance and age of population.
| Place of acquisition* | Methicillin resistance | Age (adult) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| CC** | HA N = 551 n (%) | CA N = 255 n (%) | P-value | MSSA N = 627 n (%) | MRSA N = 206 n (%) | P-value | Adult N = 628 n (%) | Children N = 205 n (%) | P-value |
| 5 | 193 (35.6) | 50 (20.2) | <0.001 | 90 (14.7) | 162 (79.4) | <0.001 | 213 (34.2) | 39 (20.0) | <0.001 |
| 8 | 38 (7.0) | 21 (8.5) | 0.474 | 42 (6.9) | 20 (9.8) | 0.179 | 45 (7.2) | 17 (8.7) | 0.501 |
| 15 | 40 (7.4) | 21 (8.5) | 0.598 | 61 (10.0) | 0 (0.0) | <0.001 | 43 (6.9) | 18 (9.2) | 0.293 |
| 22 | 35 (6.5) | 11 (4.4) | 0.249 | 39 (6.4) | 9 (4.4) | 0.291 | 39 (6.3) | 9 (4.6) | 0.379 |
| 30 | 101 (18.6) | 58 (23.4) | 0.126 | 165 (26.9) | 1 (0.5) | <0.001 | 113 (18.2) | 53 (27.2) | 0.008 |
| 45 | 42 (7.7) | 23 (9.3) | 0.473 | 65 (10.6) | 4 (2.0) | <0.001 | 50 (8.0) | 19 (9.7) | 0.462 |
*
27 strains did not have place of acquisition data available.
**
Only the major clones are shown. Other clones detected in this study were: CC1(1.1%), CC6(1.3%), CC7(1.1%), CC9(1.7%), CC10(0.6%), CC12(0.2%), CC20(0.4%), CC25(2.2%), CC49(0.6%), CC59(0.6%), CC75(0.1%), CC96(0.1%), CC97(1.6%), CC101(0.7%), CC121(2.4%), CC188(1.0%), CC395(0.1%), CC398(2.4%), CC509(0.5%), CC522(0.1%), CC707(0.1%) and CC1021(0.1%).
Statistically significant results are highlighted in bold.
CC, clonal complex; HA, healthcare-associated; CA, community-associated; MSSA, methicillin-susceptible S. aureus; MRSA, methicillin-resistant S. aureus.