Figure 2From: The most dangerous hospital or the most dangerous equation?The relationship between the number of admissions and Hospital Standardised Mortality Ratio (HSMR). The variation in HSMR is inversely related to the number of admissions. The blue lines (top and the bottom of the panel) represent respectively the upper and lower 95% confidence limits of the HSMRs. The red lines (top and the bottom of the panel) represent respectively the upper and lower 99% confidence limits of the HSMRs.Back to article page