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Table 2 Characteristics of high risk areas (clusters) detected by spatial scan test for FIV and FeLV infections

From: Comparison of the geographical distribution of feline immunodeficiency virus and feline leukemia virus infections in the United States of America (2000–2011)

Cluster Type Inside cluster Outside cluster Cluster radius (kms) p-value
  Number of states Mean PMR Number of states Mean PMR   
FIV 24 1.03 25 0.35 1688.96 0.02
FeLV 7 0.14 42 0.95 1127.96 0.002