94 95% CI 0.87–1.02) Levels on floor-to-waist lift was not related SRTW (OR = 0.92 95% CI 0.62–1.38) Pass floor-to-waist lift was not related to SRTW (OR = 1.19 95% CI 0.46–3.05) No Gross and Battié (2005) Canada Prospective cohort 12 months N = 130 claimants with low back pain, mean age = 42 years (SD 11), 82 men and 48 women Care provided at the Workers’ Compensation Board-Alberta rehabilitation facility Isernhagen Work

System FCE Work-related recovery expectations, Organizational policies and practices, Injury duration at time of FCE Days until suspension of time-loss benefits Fewer failed tasks (HRR = 0.91 95% CI 0.87–0.96) and higher floor-to-waist lift (HRR = 1.55 95% CI 1.28–1.89) were associated with faster suspension of benefits Yes Claim closure Fewer failed tasks (HRR = 0.93 95% CI 0.89–0.98) Cytoskeletal Signaling inhibitor and higher floor-to-waist lift (HRR = 1.42 95% CI 1.12–1.80) were associated with faster claim closure Yes Sustained return-to-work (SRTW) Fewer failed tasks (OR = 0.95 95% CI 0.89–1.03) and higher floor-to-waist lift Pitavastatin (OR = 0.91 95% CI 0.63–1.33)

were not significantly associated with future SRTW No Gross and Battié (2006) Canada Prospective cohort 12 months N = 336 claimants with upper extremity disorders, mean age = 45 years (SD 11), 239 men and 97 women Care provided at the major Workers’ Compensation Board-Alberta outpatient rehabilitation facility Isernhagen Work System FCE Age, Gender, Employment status, Days between FCE and time to total temporary disability suspension and time to claim closure, Days from injury to FCE, Pain score on disability index, Pain Visual NADPH-cytochrome-c2 reductase Analog Scale, Clinician recommendation regarding fitness or readiness to work following FCE administration, Job physical demands, Pre-injury annual salary, Number of health care visits for the compensable condition, Total number of previous claims, Number of previous

upper extremity claims Days until suspension of time-loss benefits Higher weight lifted on the waist-to-overhead lift (HRR = 1.51 95% CI 1.29–1.87) and on floor-to-waist lift (HRR = 1.21 95% CI 1.06–1.38) were associated with faster suspension of benefits Yes Claim closure Higher weight lifted on the waist-to-overhead lift (HRR = 1.81 95% CI 1.49–2.20) and on the floor-to-waist lift (HRR = 1.29 95% CI 1.13–1.49) were associated with faster claim closure Yes Sustained return-to-work (SRTW) Waist-to-overhead lift OR = 0.87 95% CI 0.60–1.27) and floor-to-waist lift (OR = 1.05 95% CI 0.70–1.17) were not associated with future SRTW No Streibelt et al.