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Table 1 Descriptive statistics of FIV and FeLV infections, and the proportional morbidity ratios (PMR)

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

Parameters Mean Median Range
Number of FIV Positives 349 92 4 - 4610
Number of FeLV Positives 612 163 3 - 9113
PMR 0.79 0.72 0.04 - 2.05