Outcomes | Instrument | Study Period | Enrollment | Surgery | Â | |||||
---|---|---|---|---|---|---|---|---|---|---|
Time | ≥ 6 W | Intervention Between 4 W preop | Baseline | 4D | Intervention Between 8 W postop | 8 W | 6 M | 12 M | ||
Primary outcome: | ||||||||||
 Self-reported function | COMI |  | X |  |  |  |  | X | X | X |
Secondary outcomes: | ||||||||||
 Self-reported Pain intensity | NRS |  | X |  |  | X |  | X | X | X |
 Self-reported disability | ODI |  | X |  |  |  |  | X | X | X |
 Self-reported daily-function and quality of life | EQ-5D |  | X |  |  |  |  | X | X | X |
 Self-reported mood and cognition | PROMIS depression |  | X |  |  |  |  | X | X | X |
 Patient’s global impression of change | PGIC |  | X |  |  |  |  | X | X | X |
 Self-reported pain catastrophizing | PCS |  | X |  |  |  |  | X | X | X |
 Medication Usage | MQS |  | X |  |  |  |  | X | X | X |
 Work productivity and activity impairment | WPAI:LBP |  | X |  |  |  |  | X | X | X |
Other variables: | ||||||||||
 Patient demographics | Medical record |  | X |  |  |  |  |  |  |  |
 Surgical complications | Clavien-Dindo |  |  |  |  |  |  | X |  |  |
 Self-reported anxiety | PROMIS anxiety |  | X |  |  |  |  | X | X | X |
 Self-reported fear of surgery | SFQ |  | X |  |  |  |  | X | X | X |
 Self-reported fear avoidance beliefs | FABQpa |  | X |  |  |  |  | X | X | X |