Fig. 3

Hotspot clusters of scarlet fever incidence in Shenyang in 2018. Color depth indicates different Z-scores ranges. Districts with Z-scores > 2.58 or Z-scores < -2.58 were considered to be significant at 99% confidence level (p <0.01). Districts with Z-scores between 1.96 – 2.58 or Z-scores between -1.96 – -2.58 were considered to be significant at 95% confidence level (p <0.05). Districts with Z-scores between 1.65 – 1.96 or Z-scores between -1.65 – -1.96 were considered to be significant at 90% confidence level (p <.010)