Abstract 277

No of casesOCCRDCCRDACR
Year 176666.1%53.5%58.6%
Year 273170.6%56.5%63.1%
Year 376177.0%63.1%66.7%
Year 476277.4%67.7%72.9%
Year 585879.8%72.0%77.3%