Table 3 Comparison of clinical data between the two groups
Variable | Observation group (n = 206) | Control group (n = 311) | Statistical value | P value |
|---|---|---|---|---|
Catheterization time (min) | 15.63 ± 7.29 | 19.15 ± 10.17 | 4.29 |  < 0.01 |
Successful cases of one-time catheterization | 203 | 273 | 19.66 |  < 0.01 |
Successful cases of catheterization | 206 | 302 | 6.07 | 0.01 |
Phlebitis | 21 | 57 | 6.51 | 0.01 |
Dominant thrombus | 5 | 16 | 2.35 | 0.13 |
Occult thrombus | 11 | 29 | 4.42 | 0.04 |
Bleeding at puncture site | 15 | 31 | 9.25 |  < 0.01 |
Catheter blockage | 11 | 29 | 2.76 | 0.09 |