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Table 3 Primary and secondary outcome measures

From: Effectiveness of individualized physiotherapy on pain and functioning compared to a standard exercise protocol in patients presenting with clinical signs of subacromial impingement syndrome. A randomized controlled trial

Primary Outcomes

Measurement

Follow up

Shoulder pain and disability index (SPADI)

13 items (5 for pain, 8 for function) scored on a 100 mm visual analogue scale

baseline; 5 weeks; 3, 12 months

Patients' global impression of change

Ordinal scale (1-much worse, 2-slightly worse, 3-no change, 4-slightly better, 5-much better)

5 weeks; 3, 12 months

Secondary Outcomes

Measurement

Follow up

Generic patient-specific scale

11 point visual numeric rating scale (end descriptors of 0 = impossible to do, 10 = no difficulties at all)

baseline; 5 weeks; 3, 12 months

Average weekly pain score

11 point visual numeric rating scale (end descriptors of 0 = no pain, 10 = worst pain possible)

baseline; 5 weeks; 3 months

Patients' satisfaction with treatment

11 point visual numeric rating scale (end descriptors of 0 = completely dissatisfied, 10 = completely satisfied)

5 weeks

Kinesiophobia/Fear avoidance beliefs

Modified fear avoidance beliefs questionnaire (FABQ)

Baseline

Catastrophizing

Pain catastrophizing scale (PCS)

Baseline

Patients' expectancies of treatment effect

One modified question from the Credibility/Expectancy Questionnaire (CEQ)

Baseline

Compliance

Shoulder log book: Attention of treatment sessions and completion and frequency of home exercises

5 weeks; 3, 12 months

Costs

Cost diary: Disease specific healthcare utilization, days of sick leave, drug use, paid help

5 weeks; 3, 12 months