Table 1.

Clinical response rates (percent cured and improved) for azithromycin (5-day formulation) versus various comparator(s) at early and late time points

Study	Year	Comparator	Azithromycin 5-day formulation		Various comparators		Definition of chronic bronchitis
			Early	Late	Early	Late
Dark	1993	Cefaclor	100.0	NS	92.0	NS	NS
Whitlock	1995	Amoxicillin-clavulanate	100	90.0	93.0	85.0	ATS
DeAbate et al	2000	Moxifloxacin	92.0	88.0	91.0	88.0	ATS
Amsden et al	2003	Levofloxacin	88.9	81.9	92.4	85.6	ATS
Castaldo et al	2003	Dirithromycin	75.7	86.5	84.8	95.5	ATS

Abbreviations: ATS, American Thoracic Society; NS, not stated.