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Table 1 Characteristics of the study population by time from first physiotherapy session to first surgery (fusion vs. decompression)

From: Physiotherapy utilisation and costs before lumbar spine surgery: a retrospective analysis of workers compensation claims in Australia

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
  1. n Number of people; SD Standard deviation