Table 3.
Therapeutic procedural characteristics with procedural frequency, average relief per procedure, and average total relief in weeks over a period of 2 years.
| Responsive Patients | Nonresponsive Patients | All Patients | ||||
|---|---|---|---|---|---|---|
| Interlaminar (109) | Caudal (78) | Interlaminar (11) | Caudal (42) | Interlaminar (120) | Caudal (120) | |
| Average Number of Procedures for One Year | 4.0 ± 0.9 | 4.0 ± 1.0 | 1.9 ± 1.2 | 2.8 ± 1.5 | 3.8* ± 1.1 | 3.6 ± 1.3 |
| Average Number of Procedures for Two Years | 6.4 ± 2.2 | 6.1 ± 2.2 | 1.9 ± 1.2 | 3.1 ± 2.0 | 6.0* ± 2.5 | 5.0 ± 2.5 |
| Average Relief for First procedure | 6.3 ± 4.1 | 6.8 ± 5.4 | 0.7 ± 0.9 | 1.9 ± 2.3 | 5.8 ± 4.2 | 5.1 ± 5.1 |
| Average Relief for Second Procedure | 10.6 ± 10.5 | 12.2 ± 11.6 | 0.9 ± 1.0 | 1.6 ± 1.9 | 10.1 ± 10.5 | 9.0 ± 10.9 |
| After Initial 2 Procedures | 12.7 ± 3.6 (475) | 13.4 ± 7.2 (316) | 3.2* ± 3.3 (5) | 8.7 ± 5.8 (53) | 12.6 ± 3.7 (480) | 12.7 ± 7.2 (369) |
| Average Relief per Procedure | 11.4 ± 5.8 (693) | 12.1 ± 8.2 (472) | 1.3* ± 2.0 (21) | 4.6 ± 5.3 (129) | 11.1 ± 6.0 (714) | 10.5 ± 8.2 (601) |
| Average Total Relief for One Year (Weeks) | 39.3 ± 12.3 | 42.0 ± 9.9 | 2.5 ± 4.0 | 10.1 ± 12.2 | 35.9* ± 15.9 | 30.8 ± 18.6 |
| Average Total Relief for Two Years (Weeks) | 72.2 ± 29.2 | 73.0 ± 28.1 | 2.5 ± 4.0 | 14.3 ± 22.7 | 65.8* ± 34.4 | 52.9 ± 38.3 |
* - Significant difference with caudal epidurals.