Fig 1.
The flowchart of this research.
Table 1.
General patient information.
Table 2.
The tip visibility rates from different cardiac ultrasound views.
Table 3.
Catheter Insertion Depth with IC-ECG and TTE (PPS).
Fig 2.
Bland–Altman plot comparing TTE and ECG methods in the per-protocol (PP).
Fig 3.
Bland–Altman plot comparing TTE and ECG methods in the intention-to-diagnose (ITD) analysis with extreme value imputation.
Table 4.
Operation time of IC-ECG and TTE (FAS).
Table 5.
Pain Score of TTE.