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Table 6 County trends (P < 0.01) by state in seroprevalence of antibodies to Anaplasma phagocytophilum

From: Trends in canine seroprevalence to Borrelia burgdorferi and Anaplasma spp. in the eastern USA, 2010–2017

State (n)a Counties with decreasing trend
n (%)
Counties with increasing trend
n (%)
Counties with no change
n (%)
Majority counties decreasing
 Connecticut (n = 8) 6 (75.0) 0 (0.0) 2 (25.0)
 New Jersey (n = 21) 12 (57.1) 2 (9.5) 7 (33.3)
 Wisconsin (n = 58) 29 (50.0) 6 (10.3) 23 (39.6)
Majority counties increasing
 Massachusetts (n = 14) 3 (21.4) 8 (57.1) 3 (21.4)
 Maine (n = 16) 1 (6.2) 14 (87.5) 1 (6.2)
 New Hampshire (n = 10) 0 (0.0) 9 (90.0) 1 (10.0)
 Pennsylvania (n = 61) 1 (1.6) 47 (77.0) 13 (21.3)
 Vermont (n = 11) 0 (0.0) 9 (81.8) 2 (18.2)
Mixed county trends
 Delaware (n = 3) 0 (0.0) 0 (0.0) 3 (100)
 Iowa (n = 42) 5 (11.9) 3 (7.1) 34 (80.9)
 Illinois (n = 50) 9 (18.0) 0 (0.0) 41 (82.0)
 Indiana (n = 48) 4 (8.3) 1 (2.0) 43 (89.5)
 Kentucky (n = 41) 2 (4.9) 2 (4.9) 37 (90.2)
 Maryland (n = 23) 6 (26.1) 1 (4.3) 16 (69.6)
 Michigan (n = 60) 7 (11.7) 4 (6.7) 49 (81.7)
 Minnesota (n = 47) 23 (48.9) 3 (6.4) 21 (44.7)
 North Carolina (n = 69) 12 (17.4) 1 (1.4) 56 (81.1)
 North Dakota (n = 8) 0 (0.0) 0 (0.0) 8 (100)
 New York (n = 60) 6 (10.0) 29 (48.3) 25 (41.7)
 Ohio (n = 58) 7 (12.1) 3 (5.1) 48 (82.7)
 Rhode Island (n = 5) 2 (40.0) 1 (20.0) 2 (40.0)
 South Carolina (n = 22) 3 (13.6) 0 (0.0) 19 (86.4)
 Tennessee (n = 36) 2 (5.5) 1 (2.8) 33 (91.7)
 Virginia (n = 85) 24 (28.2) 5 (5.9) 56 (65.9)
 West Virginia (n = 31) 3 (9.6) 8 (25.8) 20 (64.5)
  1. aNumber of counties evaluated; data not available from every county in every state listed
  2. Note: Numbers in boldface indicate > 50% of counties evaluated in that state had an increasing or decreasing trend (P < 0.01)