Figure 2From: Determining the date of diagnosis – is it a simple matter? The impact of different approaches to dating diagnosis on estimates of delayed care for ovarian cancer in UK primary care Number of cases with index date change and median [IQR] difference between the earlier and later index date, according to the four definitions of index date. Medians were calculated only for those with a index date change. *Date 2 for 6 cases with prior diagnosis of another cancer left unchanged. **Date 3 for 11 cases similarly left unchanged.Back to article page