Table 1

Preintervention and postintervention monthly requests (or tests) in inpatients and outpatients for CRP and UE for 12 months before and after the introduction of a 48 h CRP minimum retesting interval. Results are mean (SD)

PreinterventionPostinterventionp Value
Total CRPs (requests)8528 (509)7935 (355)0.0032
CRPs analysed (Tests)8528 (509)7473 (364)<0.0001
CRP requests rejected462 (70) [6.2%]
CRP requests reinstated12 (5) [2.6%]
Total UE requests16 637 (793)16 589 (581)0.8684
  • CRP, C-reactive proteinl; UE, urea and electrolytes.