Table 3.
Clinical and epidemiological characteristics of CHG-tolerant vs. CHG-susceptible isolates.
| Characteristic | Reduced Susceptibility to CHG | Total Isolates n = 190 n (%) |
p-Value 1 | |
|---|---|---|---|---|
| Yes n = 25 n (%) |
No n = 165 n (%) |
|||
| qac A/B presence | <0.0001 2 | |||
| Yes | 10 (40) | 15 (60) | 25 | |
| No | 15 (9) | 150 (81) | 165 | |
| Methicillin susceptibility | <0.0001 | |||
| Resistant (MRSA) | 22 (24) | 70 (76) | 92 | |
| Sensitive (MSSA) | 3 (3) | 95 (97) | 98 | |
| Mupirocin susceptibility | 0.001 | |||
| Resistant | 7 (39) | 11 (61) | 18 | |
| Sensitive | 18 (10.5) | 154 (89.5) | 172 | |
| Mupirocin’s MIC (mg/L) | 0.066 | |||
| Mean | 257.44 | 69.74 | 94.45 | |
| Median (Q1, Q3) | 0.19 (0.125, 256) | 0.064 (0.094, 0.25) | 0.125 (0.094, 0.25) | |
| pvl presence | 0.548 | |||
| Yes | 4 (10.25) | 35 (89.75) | 39 | |
| No | 21 (12.3) | 130 (87.7) | 171 | |
| Sample source | 0.020 | |||
| Blood culture | 14 (21) | 53 (79) | 67 | |
| Wounds | 11 (8.95) | 112 (91.05) | 123 | |
1 Chi-squared test, Mann–Whitney test. 2 Bold values indicate statistical significance.