Table 1.
Baseline patient data
| Patient characteristics | CBT group | Control group |
|---|---|---|
| (n = 59) | (n = 31) | |
| Male gender | 23 (39) | 16 (52) |
| Age (year ± SD) | 51.4 (9.2) | 47.7 (8.9) |
| Smoking n (%) | 20 (32) | 10 (30) |
| Working status | ||
| Employed Unemployed Disability pension Early retirement |
32 (54) 11 (19) 9 (15) 7 (12) |
15 (48) 11 (36) 5 (16) 0 (0) |
| Diagnosis | ||
| Spondylolisthesis | 16 (27) | 7 (23) |
| Degenerative disc disease | 43 (73) | 24 (77) |
| Surgical procedures | ||
| PLF | 41 (69) | 12 (39) |
| TLIF | 17 (29) | 19 (61) |
| Uninstrumented | 1 (2) | 0 (0) |
| Previous spine surgery | ||
| Spondylodesis | 2 (3) | 1 (3) |
| Decompression | 7 (11) | 1 (3) |
| Fusion levels | ||
| One | 36 (62) | 20 (69) |
| Two | 19 (32) | 8 (27) |
| Three | 4 (7) | 3 (10) |
| Disability (ODI) | ||
| Mean (SD) | 40.7 (13.2) | 40.8 (15) |
| Pain (LBPRS) | ||
| Back,median (25;75 percentile) | 7.0 (5.3;8.0) | 7.2 (6.0;8.0) |
| Leg, median (25;75 percentile) | 6.3 (4.3;7.7) | 6.3 (3.7;8.3) |
| Quality of life (EQ-5D) | 0.655 (0.389;0.723) | 0.627 (0.356;0.723) |
Numbers are presented as n (%) unless otherwise stated
EQ-5D EuroQol 5 Dimensions, LBPRS low back pain rating scale, ODI oswestry disability index, PLF posterolateral fusion, TLIF transforaminal lumbar interbody fusion