Table 4.
Length of stay of patients with 3GCREC and 3GCSEC and with 3GCRKP and 3GCSKP for potential confounding variables.
| Potential Confounding Variables | LOS (Days) | Third-Generation Cephalosporins-Susceptible | Third-Generation Cephalosporins-Resistant | Difference | p Value | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Median | 95% CI | Median | 95% CI | Median | 95% CI | ||||||
| Excluding LOS before culture | 3GCREC vs. 3GCSEC | 16 | 16 | 17 | 20 | 19 | 21 | 4 | 3 | 4 | <0.000 |
| 3GCRKP vs. 3GCSKP | 20 | 19 | 21 | 31 | 30 | 32 | 11 | 11 | 11 | <0.000 | |
| Including LOS before culture | 3GCREC vs. 3GCSEC | 17 | 16 | 17 | 19.5 | 18 | 21 | 2.5 | 2 | 4 | <0.000 |
| 3GCRKP vs. 3GCSKP | 23 | 22 | 24 | 30 | 29 | 31 | 7 | 7 | 7 | <0.000 | |
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.