Table 1 Characteristics of the study population by time from first physiotherapy session to first surgery (fusion vs. decompression)
Demographic and baseline variables | Total sample | No physiotherapy | < 4 weeks | 4 weeks to < 6 months | 6 months to < 1 year | 1 year to < 2 years | ≥2 years |
|---|---|---|---|---|---|---|---|
Fusion | |||||||
Mean Age (SD), years | 42.9 (10.4) | 44.8 (9.7) | 45.1 (10.4) | 45.1 (11.2) | 43.9 (11.0) | 41.9 (10.1) | 40.9 (9.7) |
Gender (Female) | 197 (24.6%) | 18 (14.6%) | 2 (11.8%) | 25 (24.3%) | 40 (27.0%) | 56 (29.6%) | 56 (25.5%) |
Mean time to first surgery from injury date (SD), months | 21.6 (17.9) | 14.3 (17.0) | 6.8 (6.7) | 6.5 (4.5) | 11.0 (4.1) | 19.1 (5.9) | 43.3 (15.9) |
n | 800 | 123 | 17 | 103 | 148 | 189 | 220 |
Decompression | |||||||
Mean Age (SD), years | 41.9 (11.6) | 43.3 (11.7) | 42.5 (11.2) | 41.0 (11.4) | 41.6 (12.1) | 41.8 (11.9) | 41.1 (10.6) |
Gender (Female) | 500 (22.0%) | 116 (18.0%) | 34 (20.0%) | 147 (20.4%) | 112 (28.4%) | 50 (23.5%) | 41 (32.0%) |
Mean time to first surgery from injury date (SD), months | 9.4 (10.6) | 6.1 (8.1) | 3.2 (3.6) | 5.3 (4.4) | 10.2 (5.2) | 18.3 (4.9) | 39.1 (14.6) |
n | 2270 | 644 | 170 | 721 | 394 | 213 | 128 |