Table 4 Failure and success groups evaluated for pain, disability and quality of life
Pre procedure (n 406) | median [IQR] or mean (SD) | Incomplete failure (n 29) | Failure (n 49) | P value | ||
|---|---|---|---|---|---|---|
Success (n 242) | Incomplete success (n 86) | |||||
Oswestry Disability Index (ODI) | ||||||
42.0 [32.0–54.0] | 8.0 [2.0–16.0] | 40.0 [31.1–50.0] | 20.0 [10.0–26.0] | 44.4 [38.0–54.0] | < 0.001a,c,d 0.02.b | |
42.2 (16.4) | 9.2 (8.1) | 40.9 (15.3) | 22.6 (18.8) | 47.7 (13.7) | ||
Numeric Pain Rating Scale (NPRS) | ||||||
NPRS low back | 7.0 [5.2–8.0] | 1.0 [0.0 – 3.0] | 6.0 [4.0–8.0] | 5.0 [2.0–6.0] | 7.0 [6.0–9.0] | < 0.001a,c,d 0.07.b |
6.6 (2.6) | 1.9 (2.2) | 5.7 (2.7) | 4.1 (2.8) | 7.3 (2.1) | ||
NPRS leg | ||||||
7.0 [5.0–8.0] | 0.0 [0.0–1.0] | 6.0 [3.0–7.8] | 0 [0.0–4.0] | 7.0 [1.0–9.0] | < 0.001a,c,d 0.05.b | |
6.2 (2.9) | 0.9 (1.8) | 5.0 (3.1) | 2.3 (2.9) | 5.3 (3.8) | ||
EQ5D-3L | ||||||
0.73 [0.59–0.73] | 1.0 [0.8–1.0] | 0.6 [0.5–0.7] | 0.7 [0.6–0.8] | 0.5 [0.5 – 0.7] | < 0.001a,b,c 0.04.d | |
0.7 (0.1) | 0.9 (0.1) | 0.6 (0.2) | 0.7 (0.2) | 0.6 (0.2) | ||
Prescription opioids | n (%) | |||||
Regularly | 162 (40.0) | 42 (17.4) | 60 (69.8) | 8 (27.6) | 36 (73.5) | < 0.001a,b,c,d |
Over-the-counter analgesics | ||||||
Regularly | 49 (12.1) | 3 (1.2) | 6 (7.0) | 0 (0.0) | 6 (12.2) | < 0.001a,c 0.98.b |
Unable to work due to pain | 92 (22.7) | 21 (8.7) | 35 (40.7) | 6 (20.7) | 17 (34.7) | < 0.001a,c 0.06b 0.19.d |
Return to work (< 3 months) | 130 (81.2) | 26 (86.7) | 13 (86.7) | 10 (71.4) | 0.25c 012.d | |