Table 3.

Procedural details in the two studied groups

	CT-guided group n = 40	Standard group n = 38	p value
Duration of procedure (minutes)	26.2 ± 10.7	21.3 ± 9.6	0.037
Number of levels treated/patient
2 levels	15 (37.5%)	14 (36.8%)	0.862
3 levels	12 (30.0%)	11 (28.9%)
4 levels	13 (32.5%)	13 (34.3%)
VAS score before the procedure	72.4 ± 5.2	73.4 ± 4.9	0.385
Oxycodone consumption/day (mg/day)	78 ± 12	80 ± 10	0.428
Pregabalin (mg/day)	311 ± 35	304 ± 23	0.303
Exposure time per level (sec)	21.7 ± 8.1	19.05 ± 6.3	0.112
Estimated dose per level (mGy)	0.28 ± 0.083	0.57 ± 0.23	< 0.001

Data are supplied as mean ± SD, numbers (%).

VAS visual analogue scale, mGy = milligray.