Pre-surgery measurements | Post-surgery measurements | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Without altered sensory profile n = 82a | Altered sensory profile n = 23b | P | Without altered sensory profile n = 79c | Altered sensory profile n = 21d | P | |||||
Age, mean (SD) | 58.6 | (12.5) | 64.0 | (13.8) | 0.031 | |||||
Women, n (%) | 37 | (45) | 18 | (78) | 0.005 | |||||
Spinal stenosis, n (%) | 45 | (55) | 16 | (70) | 0.207 | |||||
Disc herniation, n (%) | 24 | (29) | 6 | (26) | 0.765 | |||||
Pain duration >2 years, n (%) | 44 | (56) | 11 | (50) | 0.859 | |||||
ODI, mean (SD) | 37.1 | (15.9) | 42.9 | (15.7) | 0.112 | 28.4 | (17.2) | 30.8 | (18.0) | 0.566 |
VAS back pain, mean (SD) | 50.9 | (27.5) | 63.6 | (19.3) | 0.016 | 28.8 | (26.2) | 38.3 | (26.6) | 0.147 |
ODI > 40% n (%) | 37 | (48.1) | 15 | 65.2) | 0.148 | 14 | (17.9) | 6 | (28.6) | 0.641 |
VAS leg pain, mean (SD) | 58.8 | (27.0) | 69.3 | (15.1) | 0.020 | 23.7 | (28.5) | 34.0 | (27.5) | 0.146 |
EQ-5D index, mean (SD) | 0.43 | (0.30) | 0.37 | (0.32) | 0.430 | 0.62 | (0.28) | 0.68 | (0.16) | 0.356 |
EQ-VAS, mean (SD) | 51.9 | (22.2) | 45.9 | (21.1) | 0.250 | 66.3 | (21.3) | 73.4 | (19.7) | 0.173 |
HADS anxiety, mean (SD) | 5.8 | (3.6) | 6.6 | (4.49) | 0.345 | 4.05 | (3.1) | 5.4 | (4.0) | 0.110 |
HADS depression, mean (SD) | 4.6 | (3.2) | 4.8 | (3.9) | 0.832 | 3.27 | (2.93) | 3.84 | (3.30) | 0.455 |
SES, mean (SD) | 132.9 | (41.5) | 116.3 | (35.4) | 0.120 | 155.0 | (32.7) | 146.2 | (41.9) | 0.348 |
SF-36 PCS, mean (SD) | 30.1 | (9.4) | 26.9 | (7.3) | 0.117 | |||||
SF-36 MCS, mean (SD) | 48.3 | (11.69) | 39.8 | (13.06) | 0.004 | |||||
FABQ-PA, mean (SD) | 14.8 | (6.1) | 15.0 | (6.0) | 0.870 | |||||
Pain drawing n (%): | ||||||||||
Back or unilateral leg pain | 37 | (46.3) | 4 | (17.4) | 0.029 | |||||
Bilateral leg pain | 31 | (38.8) | 12 | (52.1) | ||||||
Back- leg pain and other pain locations | 12 | (15) | 7 | (30.4) |