Table 2.
Differences between those who have previously spinal surgery and those who have not
| Difference in means between pre and postoperative | SD | Mann–Whitney | |
|---|---|---|---|
| SF-36 | |||
| PCS-no spinal | 21.91 | 22.36 | 0.007 |
| PCS-spinal | 7.98 | 11.10 | |
| MCS-no spinal | 17.69 | 25.34 | 0.027 |
| MCS-spinal | 4.46 | 10.41 | |
| VAS (1–10) | |||
| Pain-no spinal | −4.85 | 2.89 | 0.001 |
| Pain-spinal | −1.76 | 2.24 | |
| Majeed (0–100) | |||
| No spinal | 32.76 | 16.16 | 0.021 |
| Spinal | 22.36 | 17.76 | |
SF-36 short form-36, VAS visual analogue score, PCS physical health, MCS mental health, No spinal no previous spinal surgery, Spinal previous spinal surgery