Patients with any ciprofloxacin-containing antibiotic regimen the first @ days in the trial had a higher risk of invasive Candida infection than did patients on any antibiotic regimen not containing ciprofloxacin ( unadjusted hazard ratio = @ ; @ % CI , @-@ @ ; p = @ ; adjusted hazard ratio , @ ; @ % CI , @-@ @ ; p = @ ) .