Table 4 Comparison of one-time placement rate of catheter tip between the two groups n (%)
Group | n | One-time placement rate | Two times or more |
|---|---|---|---|
ECG group | 218 | 211 (96.79) | 7 (3.21) |
Chest CT group | 218 | 201 (92.20) | 17 (7.80) |
χ2 | 4.409 | ||
P | 0.036 | ||
Group | n | One-time placement rate | Two times or more |
|---|---|---|---|
ECG group | 218 | 211 (96.79) | 7 (3.21) |
Chest CT group | 218 | 201 (92.20) | 17 (7.80) |
χ2 | 4.409 | ||
P | 0.036 | ||