Table 5.
Changes in patient-reported outcomes – preoperative, postoperative and last follow-up.
| PRE-OPERATIVE |
FIRST POSTOPERATIVE |
LAST FOLLOW-UP |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| PRO | # Studies Pooled | Pooled Value | SD | # Studies Pooled | Pooled Value | SD | P-value* | # Studies Pooled | Pooled Value | SD | P-value** |
| LOCAL ± EPIDURAL | |||||||||||
| VAS back | 3 | 4.9 | 4.8 | 3 | 1.7 | 1.3 | 0.33 | 3 | 1.1 | 2.8 | 0.3 |
| VAS leg | 3 | 5.9 | 1.5 | 3 | 1.7 | 1.0 | 0.01 | 3 | 1.0 | 2.8 | 0.06 |
| JOA | 1 | 12.3 | 0.3 | NA | NA | NA | NA | 1 | 27.3 | 0.3 | <0.001 |
| ODI | 7 | 45.7 | 20.3 | 5 | 22.2 | 10.3 | 0.04 | 7 | 9.5 | 12.7 | 0.002 |
| SF-36 PCS | 2 | 52.6 | 3.5 | 1 | 81.5 | 1.6 | 0.009 | 1 | 97 | 0.5 | 0.003 |
| GENERAL | |||||||||||
| VAS back | 8 | 4.5 | 1.8 | 5 | 3.0 | 1.4 | 0.14 | 8 | 1.7 | 1.3 | 0.003 |
| VAS leg | 8 | 6.7 | 1.2 | 5 | 2.4 | 0.8 | <0.001 | 8 | 1.3 | 1.1 | <0.001 |
| JOA | 1 | 10.9 | 0.3 | NA | NA | NA | NA | 1 | 24.0 | 0.1 | <0.001 |
| ODI | 8 | 51.5 | 18.9 | 5 | 26.3 | 11.1 | 0.02 | 8 | 15.7 | 9.0 | <0.001 |
| SF-36 PCS | 3 | 50.4 | 30.9 | 2 | 69.2 | 23.8 | 0.53 | 3 | 75.7 | 55.6 | 0.53 |
SD – standard deviation; VAS – visual analog scale; JOA – Japanese Orthopedic Association score; ODI – Oswestry Disability Index;
SF-36 PCS – 36-item short form physical component score