Table 2.
Panton-Valentine leukocidin status and SCCmec types of methicillin-resistant Staphylococcus aureus isolates with spa types 1, 2 and other spa types from colonized patients in paediatric intensive-care units
| Year | Total no. typed | Spa type 1 | Spa type 2 | Other spa types | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. spa type 1 (% of total) | PVL+ (% of spa type 1) | SCCmec II (% of spa type 1) | SCCmec IV (% of spa type 1) | No. spa type 2 (% of total) | PVL+ (% of spa type 2) | SCCmec II (% of spa type 2) | SCCmec IV (% of spa type 2) | No. other spa types (% of total) | PVL+ (% of other spa types) | SCCmec II (% of other spa types) | SCCmec IV (% of other spa types) | ||
| 2001 | 15 | 1 (6·7) | 1 (100) | 0 (0) | 1 (100) | 6 (40·0) | 0 (0) | 6 (100) | 0 (0) | 8 (53·3) | 1 (12·5) | 1 (12·5) | 7 (87·5) |
| 2002 | 13 | 2 (15·4) | 1 (50·0) | 0 (0) | 2 (100) | 5 (38·5) | 0 (0) | 5 (100) | 0 (0) | 6* (46·2) | 0 (0) | 0 (0) | 5 (83·3) |
| 2003 | 25 | 2 (8·0) | 0 (0) | 1 (50·0) | 1 (50·0) | 18 (72·0) | 0 (0) | 16 (88·9) | 2 (11·1) | 5 (20·0) | 0 (0) | 4 (80·0) | 1 (20·0) |
| 2004 | 35 | 4† (11·4) | 4 (100) | 0 (0) | 3 (75·0) | 14 (40·0) | 0 (0) | 12 (85·7) | 2 (14·3) | 17‡ (48·6) | 0 (0) | 10 (58·8) | 6 (35·3) |
| 2005 | 25 | 3 (12·0) | 3 (100) | 0 (0) | 3 (100) | 12‡ (48·0) | 0 (0) | 10 (83·3) | 1 (8·3) | 10† (40·0) | 1 (10·0) | 3 (30·0) | 6 (60·0) |
| 2006 | 55 | 10 (18·2) | 10 (100) | 0 (0) | 10 (100) | 29 (52·7) | 0 (0) | 26 (89·7) | 3 (10·3) | 16§ (29·1) | 2 (12·5) | 5 (31·3) | 9 (56·3) |
| 2007 | 67 | 16 (23·9) | 15 (93·8) | 0 (0) | 16 (100) | 31* (46·3) | 0 (0) | 28 (90·3) | 2 (6·5) | 20 (29·9) | 0 (0) | 13 (65·0) | 7 (35·0) |
| 2008 | 76 | 17 (22·4) | 14 (82·4) | 0 (0) | 17 (100) | 37|| (48·7) | 2 (5·4) | 29 (78·4) | 6 (16·2) | 22† (28·9) | 5 (22·7) | 8 (36·4) | 13 (59·1) |
| 2009 | 83 | 30 (36·1) | 23 (76·7) | 0 (0) | 30 (100) | 30 (36·1) | 0 (0) | 28 (93·3) | 2 (6·7) | 23‡ (27·7) | 1 (4·3) | 9 (39·1) | 13 (56·5) |
| Total | 394 | 85 (21·6) | 71 (83·5) | 1 (1·2) | 83 (97·6) | 182 (46·2) | 2 (1·1) | 160 (87·9) | 18 (9·9) | 127 (32·2) | 10 (7·9) | 53 (41·7) | 67 (52·8) |
*
One isolate, SCCmec type indeterminate.
†
One isolate, SCCmec type 6.
‡
One isolate, SCCmec type 1.
§
One isolate, SCCmec type 1 and one SCCmec type indeterminate.
||
Two isolates, SCCmec type indeterminate.