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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