Table 5 SI joint pain ratings by history of prior lumbar spinal fusion
| Â | Open surgical fusion | Minimally invasive fusion | ||||||
|---|---|---|---|---|---|---|---|---|
Prior lumbar fusion | Prior lumbar fusion | |||||||
Yes | No | Yes | No | |||||
N | Mean (SD) | N | Mean (SD) | N | Mean (SD) | N | Mean (SD) | |
VAS pain score at baseline | 33 | 7.0 (1.7) | 106 | 7.2 (1.9) | 53 | 8.5 (1.3) | 60 | 8.1 (1.9) |
VAS pain score at 12Â months | 30 | 5.4 (3.0) | 84 | 4.4 (2.9) | 51 | 3.0 (2.9) | 43 | 1.5 (1.9) |
VAS pain score at 24Â months | 10 | 6.7 (2.0) | 48 | 5.4 (3.1) | 17 | 1.9 (3.2) | 21 | 1.5 (2.6) |
Change in VAS pain score at 12Â months | 29 | -1.8 (3.1) | 84 | -3.0 (3.2) | 50 | -5.5 (3.2) | 43 | -7.0 (2.8) |
Change in VAS pain score at 24Â months | 10 | -1.5 (1.9) | 48 | -2.1 (3.5) | 17 | -6.0 (3.7) | 21 | -5.2 (3.4) |