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Diversification of Agr system classes among S. aureus isolates obtained from the examined patients of groups 1 and 2
| Agr classes | Group 1, n = 50 | Group 2, n = 40 | p-value for difference between groups 1 and 2 |
|---|---|---|---|
| I | 12 (24 %) | 8 (20 %) | p = 0.6513 |
| II | 5 (10 %) | 3 (7.5 %) | p = 0.6798 |
| III | 4 (8 %) | 3 (7.5 %) | p = 0.8588 |
| IV | 29 (58 %)* | 26 (65 %)* | p = 0.5003 |
*Difference in the frequency of manifestation, as compared to Agr classes I, II and III, at the level of p < 0.001
