Table 2.
Paired t-test results for 0.1 vs. 0.5 mL sample volume values for prothrombin time and activated partial thromboplastin time in seconds for all animals, or by age or gender.
| Variable | Group | Mean Diff | SD Diff | n | t-Stat | p-Value |
|---|---|---|---|---|---|---|
| PT | All | 0.99 | 4.56 | 108 | 2.26 | 0.026 |
| Juveniles | 1.79 | 4.83 | 50 | 2.62 | 0.012 | |
| Adults | 0.30 | 4.24 | 58 | 0.55 | 0.588 | |
| Females | 0.66 | 4.23 | 52 | 1.12 | 0.269 | |
| Males | 1.30 | 4.87 | 56 | 2.00 | 0.050 | |
| aPTT | All | 0.82 | 9.18 | 106 | 0.92 | 0.360 |
| Juveniles | 2.16 | 6.60 | 48 | 2.27 | 0.028 | |
| Adults | −0.29 | 10.80 | 58 | −0.21 | 0.838 | |
| Females | 0.32 | 6.51 | 50 | 0.35 | 0.728 | |
| Males | 1.26 | 11.08 | 56 | 0.85 | 0.397 |
Mean Diff, mean difference; SD Diff, standard deviation difference; n, sample number; t-Stat, t-statistic; p-Value, probability value. Age groups defined as juveniles (age ≤150 days) or adults (age 151–900 days).