Table 3.
Comparison of puncture tissue bar length and RBC contamination
| Experimental group | Control group | P | |
|---|---|---|---|
| Total length of tissue bar (mm) (mean ± SD) | 398.70 ± 43.59 | 375.26 ± 54.12 | < 0.05(.000) |
| Total length of white tissue core (mm) (mean ± SD) | 59.93 ± 11.04 | 45.23 ± 13.75 | < 0.05(.000) |
| Total length of white tissue core at the first puncture (mm) (mean ± SD) | 32.73 ± 9.43 | 16.10 ± 4.63 | < 0.05(.000) |
| Total length of white tissue core at the second puncture (mm) (mean ± SD) | 15.87 ± 4.50 | 18.17 ± 6.81 | > 0.05(.129) |
| Total length of white tissue core at the third puncture (mm) (mean ± SD) | 11.33 ± 3.18 | 10.97 ± 4.16 | > 0.05(.702) |
| RBC contamination (point) (mean ± SD) | 2.086 ± 0.15 | 2.032 ± 0.12 | > 0.05(.136) |
| RBC contamination at the first puncture (point) (mean ± SD) | 2.290 ± 0.12 | 1.533 ± 0.18 | < 0.05(.009) |
| RBC contamination at the second puncture (point) (mean ± SD) | 2.060 ± 0.21 | 2.203 ± 0.24 | > 0.05(.407) |
| RBC contamination at the third puncture (point) (mean ± SD) | 1.630 ± 0.24 | 2.363 ± 0.24 | > 0.05(.860) |