Table 3.
The Distribution of Antimicrobial Resistance of MRSA, MSSA and S. aureus Isolates and Its Statistical Significance
Antibiotic | S. aureus (N = 214) | MRSA | MSSA | χ2 | p-value |
---|---|---|---|---|---|
PEN | 205(95.8) | 117(100) | 88(90.7) | 9.146 | 0.002a |
CPT | 4(1.9) | 4(3.4) | 0(0.0) | 1.773 | >0.05a |
OXA | 97(45.3) | 97(100) | 0(0.0) | 214 | <0.001b |
GEN | 18(8.4) | 16(13.7) | 2(2.1) | 9.284 | 0.002b |
ERY | 120(56.1) | 80(68.4) | 40(41.2) | 15.858 | <0. 001b |
LVX | 58(27.1) | 45(38.5) | 13(13.4) | 16.856 | <0.001b |
MFX | 51(23.8) | 43(36.8) | 8(8.2) | 23.738 | <0.001b |
CLI | 117(54.7) | 80(68.4) | 37(38.1) | 19.559 | <0.001b |
SXT | 11(5.1) | 3(2.6) | 8(8.2) | 3.513 | >0.05b |
RIF | 7(3.3) | 6(5.1) | 1(1.0) | 2.814 | >0.05b |
VAN | 0(0.0) | 0(0.0) | 0(0.0) | NA | NA |
TEC | 0(0.0) | 0(0.0) | 0(0.0) | NA | NA |
DAP | 1(0.5) | 1(0.9) | 0(0.0) | NA | NA |
LNZ | 0(0.0) | 0(0.0) | 0(0.0) | NA | NA |
TGC | 0(0.0) | 0(0.0) | 0(0.0) | NA | NA |
Notes: a,bIndicate antibiotics susceptibility of MRSA and MSSA by Chi-square test (two-sided) and continuity correction (two-sided), NA indicates participation in statistical analysis.