Figure 1 Checklist of completeness of outcome reporting

What: which outcome e.g., pain; With What: the instrument to measure that outcome e.g., visual analogue scale; How: how the instrument is applied e.g., visual analogue scale from 0 to 100; When: at which follow up e.g., immediately after the intervention period; Who: the assessor e.g., a physical therapist.; Who How: the detection status with reference to potential bias (i.e., systematic differences between groups in how outcomes are determined) e.g., blinding of the outcome assessor.