| YES | 309 (54.21) | 11 (68.75) |
|
|
| NO | 261 (45.79) | 5 (31.25) |
|
|
| Number of puncturing times (times) |
|
| 20.955 | <0.000* |
| 1 | 421 (73.86) | 3 (18.75) |
|
|
| >1 | 149 (26.14) | 13 (81.25) |
|
|
| Positioning method |
|
| 30.027 | <0.000* |
| Chest radiography | 108 (18.95) | 12 (75.00) |
|
|
| ECG positioning | 462 (81.05) | 4 (25.00) |
|
|
| Punctured limbs |
|
| 0.662 | 0.457 |
| Left forearm | 297 (52.11) | 10 (62.50) |
|
|
| Right forearm | 273 (47.89) | 6 (37.50) |
|
|
| Catheterizing time (months) |
|
| 0.240 | 0.624 |
| ≤6 | 130 (22.81) | 5 (31.25) |
|
|
| >6 | 440 (77.19) | 11 (68.75) |
|
|
| Maintenance frequency (times-week) |
|
| 38.493 | <0.000* |
| 0 | 96 (16.84) | 13 (81.25) |
|
|
| ≥1 | 474 (83.16) | 3 (18.75) |
|
|
| Maintenance place |
|
| 13.177 | <0.000* |
| In the hospital | 389 (68.25) | 4 (25.00) |
|
|
| Out of the hospital | 181 (31.75) | 12 (75.00) |
|
|