Table 4. Antibiotic resistance, distribution of SCCmec types and agr types, and δ-hemolytic activity among infectious and commensal Staphylococcus lugdunensis isolates.
| Total, n = 118, Number (%) | Infection, n = 67, Number (%) | Commensal, n = 51, Number (%) | p value | |
|---|---|---|---|---|
| Antibiotic resistance | ||||
| Penicillin-R | 90 (76.3) | 48 (71.6) | 42 (82.4) | 0.1773 |
| Oxacillin-R | 43 (36.4) | 21 (31.3) | 22 (43.1) | 0.187 |
| SCCmec type II 1 | 14/43 (32.6) | 3/21 (14.3) | 11/22 (50.0) | 0.012 |
| SCCmec type IV | 2/43 (4.7) | 1/21 (4.8) | 1/22 (4.5) | 0.976 |
| SCCmec type V | 22/43 (51.2) | 14/21 (66.7) | 8/22 (36.4) | 0.047 |
| SCCmec type Vt | 3/43 (7.0) | 2/21 (9.5) | 1/22 (4.5) | 0.522 |
| SCCmec type NT | 2/43 (4.7) | 1/21 (4.8) | 1/22 (4.5) | |
| Clindamycin-R | 33 (28.0) | 13 (19.4) | 20 (39.2) | 0.017 |
| Erythromycin-R | 40 (33.9) | 17 (25.4) | 23 (45.1) | 0.025 |
| TMP–SMX-R | 2 (1.7) | 1 (1.5) | 1 (2.0) | 0.841 |
| agr type | ||||
| I | 53 (44.9) | 27 (40.3) | 26 (51.0) | 0.246 |
| II | 65 (55.1) | 40 (59.7) | 25 (49.0) | 0.246 |
| δ-hemolysin activity | ||||
| nonhemolytic | 12(10.2) | 6 (9.0) | 6 (11.8) | 0.617 |
| Main pulsotypes | ||||
| A | 25 (21.2) | 17 (25.4) | 8 (15.7) | 0.201 |
| J | 14 (11.9) | 10 (14.9) | 4 (7.8) | 0.238 |
| M | 8 (6.8) | 5 (7.5) | 3 (5.9) | 0.728 |
| N | 12 (10.2) | 5 (7.5) | 7 (13.7) | 0.262 |
| P | 7 (5.9) | 4 (6.0) | 3 (5.9) | 0.984 |
NT = nontypeable; R = resistant; TMP–SMX = trimethoprim–sulfamethoxazole
1 The total number of SCCmec types was the number of isolates with oxacillin resistance.