From:  Effectiveness of fluoroquinolone de-escalation in community-acquired pneumonia: impact on hospital stay and mortality

 Assessing the association between cultural results and de-escalation practice.

Microbial culture resultPositive culture result (n = 26)Negative culture result (n = 96)P-value
Successfully de-escalated16 (61.5%)25 (26.0%)0.002*#
Failed/Inappropriate de-escalated10 (38.5%)71 (74.0%)

*: Significant at 0.05 significance level; #: using Chi-square test.