Electronic Health Survey Results at 1 year

Table 4

Comparison of Drop-on Flea/Tick Prevention Products Usage
Dogs with Lymphoma or Hemangiosarcoma: Healthy Dogs
 LymphomaHemangiosarcoma
Drop-on Flea/Tick prevention usage
Affected Number / %Healthy Number / %Affected Number / %Healthy Number / %
Regularly51 / 31%
431 / 33%
122 / 33%
387 / 33%
Occasionally67 / 40%
444 / 34%
139 / 37%
402 / 34%
Never42 / 25%
405 / 31%
108 / 29%
378 / 32%

Table 5

Comparison of Selected Lifestyle Factors
Dogs with Hemangiosarcoma (HSA): Healthy Dogs
 Water SourceFavorite Toy
City, faucetWell, faucetHoseRain, stream, etc.Stuffed toyTennis ballSqueakyHard rubber toyOther
HSA Number/ %237 / 62%132 / 35%8 / 2%5 / 1%165 / 44%122 / 33%18 / 5%22 / 6%47 / 13%
Healthy Number/ %772 / 66%356/ 30%36 / 3%7 / < 1%431 / 37%394 / 34%100 / 9%81 / 7%167 / 14%

*There are no significant differences between dogs affected with hemangiosarcoma and healthy dogs with regard to their exposure to various water sources and with regard to their likely exposure to favorite toys.