Table 5. Relation between phenotypic expression of methicillin resistance and genotypic mecA gene positivity (n=50).
Presence of mecA gene | Methicillin phenotype, n (%) | P-value | Chi-square value | df | |
---|---|---|---|---|---|
Resistant | Sensitive | ||||
Negative (n=9) | 1 (11.1%) | 8 (88.9%) | <0.001* | 43.4 | 1 |
Positive (n=41) | 41 (100%) | 0 (0%) |
p value <0.05 is considered significant by Chi-Square test. df – degrees of freedom.