Table 4.
Clinical and epidemiological characteristics of CHG-tolerant isolates vs. CHG-susceptible MSSA and MRSA isolates.
| Characteristic | Reduced Susceptibility to CHG among MSSA Isolates (n = 98) |
p-Value 1 | Reduced Susceptibility to CHG among MRSA Isolates (n = 92) |
p-Value 1 | ||
|---|---|---|---|---|---|---|
| Yes (n = 3) | No (n = 95) | Yes (n = 22) | No (n = 70) | |||
| qac A/B presence | 0.717 | 0.004 2 | ||||
| Yes | 0 | 4 (100) | 10 (47.6) | 11 (52.4) | ||
| No | 3 (3.2) | 91 (96.8) | 12 (16.9) | 59 (83.1) | ||
| Mupirocin susceptibility | <0.0001 | 0.161 | ||||
| Resistant | 1 (50) | 1 (50) | 6 (37.5) | 10 (62.5) | ||
| Sensitive | 2 (2.1) | 94 (97.9) | 16 (21.1) | 60 (78.9) | ||
| Mupirocin’s MIC (mg/L) | 0.846 | 0.243 | ||||
| Mean | 85.4 | 13.1 | 280.9 | 146.6 | ||
| Median (Q1, Q3) | 0.125 (0.094, 0.19) | 0.22 (0.125, 776) | 0.125 (0.101, 0.25) | |||
| pvl presence | 0.532 | 0.152 | ||||
| Yes | 0 | 11(100) | 4 (14.3) | 24 (85.7) | ||
| No | 3 (3.4) | 84 (96.6) | 18 (28.1) | 46 (71.9) | ||
| Sample source | 0.960 | 0.009 | ||||
| Blood culture | 1 (2.9) | 33 (97.1) | 13 (39.4) | 20 (60.6) | ||
| Wounds | 2 (3.1) | 62 (96.9) | 9 (15.3) | 50 (84.7) | ||
1 Chi-squared test, Mann-Whitney test. 2 Bold values indicate statistical significance.