Table 1.
Patient characteristics and outcome measures
| No | Age (years) | Sex | Duration of pain (years) | SI Joint involved | Underwent conventional RF | Baseline NRS-pain | 1 month post-procedure NRS-pain | 3 months post-procedure NRS-pain | 6 months post-procedure NRS-pain | 1 year post-procedure NRS-pain | 2 years post-procedure NRS-pain | PGIC | GPE satisfaction |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 55 | M | 2 | Right | Yes | 7 | 2 | 5 | 3 | 3 | 3 | 2 | Positive |
| 2 | 62 | F | 4 | Right | No | 5 | 5 | 0 | 0 | 0 | 0 | 3 | Positive |
| 3 | 84 | F | 6 | Left | No | 8 | 5 | 1 | 1 | 1 | 1 | 3 | Positive |
| 4 | 54 | M | 11 | Left | No | 8 | 7 | 0 | 8 | 7 | 7 | −1 | Negative |
| 5 | 85 | F | 4 | Left | No | 6 | 5 | 1 | 1 | 1 | 1 | 3 | Positive |
| 6 | 61 | F | 4 | Left | No | 5 | 2 | 0 | 0 | 0 | 0 | 3 | Positive |
| 7 | 28 | F | 4 | Left | Yes | 8 | 2 | 2 | 2 | 2 | 2 | 2 | Positive |
| 8 | 43 | F | 3 | Right | Yes | 8 | 4 | 3 | 3 | 3 | 3 | 2 | Positive |
| 9 | 49 | M | 4 | Left | No | 7 | 2 | 2 | 2 | 3 | 3 | 2 | Positive |
| 10 | 57 | F | 2 | Left | No | 8 | 4 | 4 | 4 | 4 | 4 | 1 | Positive |
| 11 | 37 | F | 2 | Right | Yes | 9 | 7 | 0 | 0 | 0 | 0 | 3 | Positive |
| 12 | 72 | F | 3 | Left | No | 8 | 1 | 5 | 1 | 1 | 1 | 2 | Positive |
| 13 | 54 | F | 2 | Left | No | 8 | 3 | 3 | 2 | 3 | 3 | 1 | Positive |
| 14 | 41 | M | 2 | Bilateral | No | 8 | 3 | 3 | 3 | 3 | 5 | 0 | Positive |
| 15 | 56 | F | 3 | Bilateral | No | 5 | 5 | 0 | 5 | 5 | 5 | −1 | Negative |
| 16 | 72 | F | 2 | Right | No | 8 | 0 | 0 | 0 | 0 | 0 | 3 | Positive |
| 17 | 32 | M | 2 | Left | No | 8 | 6 | 6 | 6 | 6 | 6 | 1 | Positive |
| 18 | 63 | F | 3 | Right | Yes | 8 | 5 | 2 | 5 | 8 | 8 | −1 | Negative |
| 19 | 64 | F | 3 | Right | No | 5 | 9 | 6 | 3 | 5 | 5 | 0 | Positive |
| 20 | 60 | M | 5 | Bilateral | No | 10 | 8 | 7 | 8 | 5 | 5 | 0 | Negative |
Abbreviations: GPE, Global Perceived Effect; NRS, Numeric Rating Scale; PGIC, Patient Global Impression of Change; RF, radiofrequency; SI, Sacroiliac.