Table 5. SIDRO trial: differences in DDD per 1000 patients of prescribed drugs (intervention vs control).

prescribing outcomes(primary)	Absolute mean prescription duringfollow-up in the ‘intervention group’(DDD per 1000 patients)	Absolute difference at follow-up vscontrol group (change from baselineexpressed as DDD per 1000 patients)	m-ITT (95% CI)(1564 included GPs)
prulifloxacin	0.17	−0.02	−11.1% (−0.5 to −22,2%)
barnidipine *	1.94	−0.21*	−9.8% (−1.9 to −18.2%)

*a lower increase was observed in the intervention group.