Table 2 Comparative analysis of related indexes of CT-guided puncture positioning between two groups of patients
|  |  | Intracavity group(n = 78) | Extracavity group(n = 69) | Statistic | p value |
|---|---|---|---|---|---|
Puncture position | Supine position | 40 | 24 | χ2 = 8.481 | 0.037* |
Prone position | 24 | 18 | |||
Left lateral position | 9 | 18 | |||
Right lateral position | 5 | 9 | |||
Puncture times | 1 | 55 | 50 | χ2 = 0.132 | 0.936 |
2 | 20 | 16 | |||
3 | 3 | 3 | |||
Positioning time (min) | 19.56 ± 3.94 | 18.75 ± 3.35 | t = 1.335 | 0.184 | |
Distance between head of coil and nodule (mm) | 1.72 ± 0.45 | 1.76 ± 0.44 | t = 0.566 | 0.572 | |
Position success rate (%) | 100 | 100 | – | – | |