Table 2.
Descriptive statistics of the study population.
| Total study population | 796 (100%) |
| Country of origin | 796 (100%) |
| Netherlands | 252 (31.7%) |
| Russia | 304 (38.2%) |
| Other EU | 72 (9,0%) |
| Other non-EU | 54 (6,8%) |
| Unknown | 114 (14.3%) |
| Pedigree | 796 (100%) |
| Yes | 531 (66.7%) |
| No | 265 (33.3%) |
| Sex | 796 (100%) |
| - Male | 395 (49.6%) Male intact: 380 (96.2%) Male neutered: 15 (3.8%) |
| - Female | 401 (50.4%) Female intact: 388 (96.8%) Female neutered: 13 (3.2%) |
| Age | 796 (100%) |
| Median 2.19 years (range 0.17–11.02) | |
| Weight | 385 (48.4%) |
| Median 3.3 kg (range 1.0–9.4) |
Other EU, other European Union countries, including Belgium, Bulgaria, Czech Republic, Estonia, France, Germany, Hungary, Italy, Latvia, Poland, Romania, and Spain. Other non-EU, other non-European Union countries, including Belarus, Brasil, Kyrgyzstan, Mexico, Norway, Ukraine, Turkey, and the United States of America.