Table 1 Outcome measures and time points

Shoulder Pain and Disability Index

Yes

Yes

Yes

Yes

Yes

Impact and costs questionnaire

Yes

Yes

Work Productivity and Activity Impairment Questionnaire

Yes

Yes

Work Limitations Questionnaire

Yes

Yes

Usual waiting time

Yes

Yes

Examiner agreement

Yes

Yes

European Quality of Life, five dimensions, five levels

Yes

Yes

Yes

Yes

Yes

Pain severity visual analogue scale

Yes

Yes

Yes

Yes

Yes

Range of movement/pain pre- and post-injection

Yes

Yes

Adverse events

Yes

Yes, throughout

Global perceived improvement

Yes

Yes

Yes

Yes

Satisfaction visual analogue scale

Yes

Yes

Post-injection physiotherapy

Yes

Yes

Labour costs

Yes

Yes

Medicine use

Yes

Yes

Yes