Table. Surgical National Antimicrobial Prescribing Survey results 2016.

Key assessments	Procedural prophylaxis*	Post-procedural prophylaxis
Overall inappropriateness of prescribed antimicrobials	43.4%† (1384/3189)	46.5%‡ (1032/2218)
Prescribed antimicrobials non-compliant with guidelines (where guidelines were available)	41%† (1211/2954)	62%‡ (894/1442)
Surgical episodes where antimicrobial prophylaxis was prescribed but not indicated	10.6% (281/2641)	40.3% (503/1248)

* antimicrobials prescribed immediately before or during the surgical procedure

† procedural antimicrobials measured in doses

‡ post-procedural antimicrobials measured in prescriptions (or courses)

Source: Reference 7