|
| Experimental group (n = 51) | Control group (n = 51) | t | p |
| Theoretical knowledge | 8.08 ± 0.69 | 8.04 ± 0.72 | 0.281 | 0.779 |
| Preparation of items | 8.14 ± 0.75 | 7.92 ± 0.72 | 1.486 | 0.140 |
| Sterile operation | 8.69 ± 0.58 | 7.49 ± 0.64 | 9.834 | 0.000 |
| Selection of puncture site | 8.51 ± 0.58 | 7.73 ± 0.72 | 6.047 | 0.000 |
| Angle and speed of needle insertion | 8.61 ± 0.53 | 7.71 ± 0.54 | 8.495 | 0.000 |
| Technique of pushing sleeve | 8.33 ± 0.59 | 7.45 ± 0.50 | 8.140 | 0.000 |
| Technique of withdrawing needle | 8.45 ± 0.54 | 7.65 ± 0.59 | 7.146 | 0.000 |
| Method of sealing catheter | 8.57 ± 0.50 | 7.67 ± 0.48 | 9.328 | 0.000 |
| Method of flushing catheter | 8.41 ± 0.54 | 7.51 ± 0.51 | 8.750 | 0.000 |
| Indwelling needle removal | 8.33 ± 0.55 | 7.57 ± 0.54 | 7.069 | 0.000 |
| Total score | 84.12 ± 1.90 | 76.73 ± 1.67 | 20.820 | 0.000 |