Table 2. Mean baseline (T0) and 72 h (T72) PT and aPTT values of 24 healthy dogs who either had their central venous catheters flushed with 0.9% sodium chloride group (n = 12) or heparinized saline (n = 12).

	Mean PT, (s)	Mean aPTT, (s)
0.9% Sodium chloride T0	8.45 ± 0.57*,‡	15.49 ± 2.23†,§
0.9% Sodium chloride T72	8.26 ± 0.41*	17.06 ± 3.87†
10 U/mL Heparinized saline T0	8.64 ± 1.79*,‡	18.50 ± 5.66†,§
10 U/mL Heparinized saline T72	8.06 ± 0.51*	19.12 ± 2.57†

Notes:

^*p = 0.03.

^†p = 0.003.

^‡p = 0.676.

^§p = 0.069.

PT, prothrombin time; aPTT, activated partial thromboplastin time.