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Table 1 Descriptive statistics of the dogs included in the study population

From: Molecular epidemiology of canine parvovirus type 2 in Italy from 1994 to 2017: recurrence of the CPV-2b variant

  Dogs positive to CPV-2 DNA
n = 123 (%)
CPV-2a
n = 56 (%)
CPV-2b
n = 18 (%)
CPV-2c
n = 49 (%)
P value
Year of sampling
 1994 1 (0.8) 1 (1.8) 0 0 <  0.0001
 1995 5 (4.1) 2 (3.6) 3 (16.7) 0
 1996 2 (1.6) 1 (1.8) 1 (5.6) 0
 1997 1 (0.8) 1 (1.8) 0 0
 1998 2 (1.6) 2 (3.6) 0 0
 1999 4 (3.3) 4 (7.1) 0 0
 2000 7 (5.7) 6 (10.7) 0 1 (2)
 2001 4 (3.3) 3 (5.4) 0 1 (2)
 2002 2 (1.6) 2 (3.6) 0 0
 2003 1 (0.8) 1 (1.8) 0 0
 2005 1 (0.8) 1 (1.8) 0 0
 2006 4 (3.3) 2 (3.6) 0 2 (4.1)
 2007 5 (4.1) 3 (5.4) 0 2 (4.1)
 2008 8 (6.5) 7 (12.5) 0 1 (2)
 2009 37 (30.1) 8 (14.3) 3 (16.7) 26 (53.1)
 2010 7 (5.7) 3 (5.4) 3 (16.7) 1 (2)
 2011 4 (3.3) 4 (7.1) 0 0
 2012 10 (8.1) 3 (5.4) 0 7 (14.3)
 2013 4 (3.3) 0 1 (5.6) 3 (6.1)
 2014 4 (3.3) 2 (3.6) 0 2 (4.1)
 2015 2 (1.6) 0 1 (5.6) 1 (2)
 2016 4 (3.3) 0 3 (16.7) 1 (2)
 2017 4 (3.3) 0 3 (16.7) 1 (2)
Sex
 Male 61 (49.6) 26 (46.4) 9 (50) 26 (53.1) 0.7866
 Female 37 (30.1) 18 (32.2) 4 (22.2) 15 (30.6)
 NA 25 (20.3) 12 (21.4) 5 (27.8) 8 (16.4)  
Age
  < 1 102 (82.9) 46 (82.1) 15 (83.3) 41 (83.7) 0.1496
 1–5 4 (3.3) 3 (5.4) 0 1 (2)
  ≥ 6 3 (2.4) 2 (3.6) 1 (5.6) 0
 NA 14 (11.4) 5 (8.9) 2 (11.1) 7 (14.3)  
Breed
 Pure breeds 74 (60.2) 37 (66.1) 12 (66.6) 25 (51) 0.3228
 Mixed 35 (28.4) 13 (23.2) 5 (27.8) 17 (34.7)
 NA 14 (11.4) 6 (10.7) 1 (5.6) 7 (14.3)  
Origin
 Piedmont 1 (0.8) 0 1 (5.6) 0 0.0001
 Veneto 4 (3.3) 4 (7.1) 0 0
 Friuli-Venezia Giulia 1 (0.8) 0 1 (5.6) 0
 Emilia Romagna 80 (65.0) 42 (75) 15 (83.3) 23 (46.9)
 Tuscany 3 (2.4) 2 (3.6) 1 (5.6) 0
 Lazio 1 (0.8) 1 (1.8) 0 0
 Marche 1 (0.8) 0 0 1 (2)
 Abruzzo 1 (0.8) 1 (1.8) 0 0
 Basilicata 1 (0.8) 1 (1.8) 0 0
 Apulia 1 (0.8) 0 0 1 (2)
 Sicily 29 (23.6) 5 (8.9) 0 24 (49)
Vaccination
 Completely vaccinated 40 (32,5) 21 (37.5) 5 (27.8) 14 (28.6) 0.6799
 Incompletely vaccinated 4 (3.3) 2 (3.6) 1 (5.6) 1 (2)
 Unvaccinated 53 (43.1) 23 (41.1) 9 (50) 21 (42.9)
 NA 26 (21.1) 10 (17.8) 3 (16.6) 13 (26.5)  
  1. Data are given as number of dogs and (% of dogs on the total number of dogs included in the group). The data not available (in grey) were not statistically analysed. Significance was set at P < 0.05. n: total number of dogs included in the study group. NA data not available