Table 1 The comparison between the ultrasound-guided group and the endoscope-guided group
Group | Success rate(%) | Placement time(min) | Shift rate(%) | Blocking rate(%) |
|---|---|---|---|---|
Ultrasound-guided | 90.7% (49/54) | 18.4 ± 12.8 | 10.2% (5/49) | 12.2% (6/49) |
Endoscope-guided | 100% (62/62) | 16.5 ± 5.7 | 11.3% (7/62) | 12.9% (8/62) |