Table 2. Fluoroscopy time of puncture procedure in different groups.
Fluoroscopy time (Mean±SD) | Puncture levels | Anteroposterior fluoroscopy (s) | Lateral fluoroscopy (s) | P value |
---|---|---|---|---|
Group A | L4/L5 | 2.70±0.66 | 2.75±0.55 | - |
Group B | 4.90±1.07 | 5.05±1.23 | 0.000 | |
Group C | 2.90±0.64 | 3.05±0.51 | 0.290 | |
Group A | L5/S1 | 3.17±0.71 | 3.17±0.71 | - |
Group B | 5.56±1.42 | 5.61±1.24 | 0.000 | |
Group C | 3.33±0.77 | 3.38±0.85 | 0.523 |