Figure 3From: Nighttime assaults: using a national emergency department monitoring system to predict occurrence, target prevention and plan services Affluent and deprived quintile assault presentation rates i and deprivation rate ratios by age. DRR = deprivation rate ratio. DRR smoothed is calculated as a five year rolling average. iNot all ED services currently report violence data to the national database and therefore these are presented only for comparative purposes.Back to article page