Table 5.
Potential Confounding Variables | Mortality Rate (%) | Third-Generation Cephalosporins-Susceptible |
Third-Generation Cephalosporins-Resistant |
Difference | p Value | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Rate | 95% CI | Rate | 95% CI | Rate | 95% CI | ||||||
Excluding LOS before culture | 3GCREC vs. 3GCSEC | 2.15 | 1.58 | 2.93 | 2.7 | 2.05 | 3.55 | 0.55 | 0.47 | 0.62 | 0.281 |
3GCRKP vs. 3GCSKP | 3.65 | 2.84 | 4.68 | 6.74 | 5.62 | 8.07 | 3.09 | 2.78 | 3.39 | <0.000 | |
Including LOS before culture | 3GCREC vs. 3GCSEC | 2.16 | 1.58 | 2.94 | 2.49 | 1.87 | 3.32 | 0.33 | 0.29 | 0.38 | 0.508 |
3GCRKP vs. 3GCSKP | 3.81 | 2.96 | 4.89 | 6.51 | 5.35 | 7.9 | 2.7 | 2.39 | 3.01 | 0.001 |
3GCREC: third-generation cephalosporin-resistant Escherichia coli; 3GCSEC: third-generation cephalosporin-susceptible E. coli; 3GCRKP: third-generation cephalosporin-resistant Klebsiella pneumoniae; 3GCSKP: third-generation cephalosporin-susceptible K. pneumoniae; LOS: length of stay; CI: certainty interval.