Patient characteristics at baseline in two randomised controlled trials on the treatment of shoulder disorders in primary care
| Van der Windt et al6 (n = 109) | Hay et al7 (n = 207) | Difference (NL–UK) (95% CI) | Adjusted difference (95%CI)* | |||||
|---|---|---|---|---|---|---|---|---|
| Values are n (%) of participants or mean (SD). | ||||||||
| *Linear regression analysis of mean differences (95% confidence intervals) after adjustment for all demographic and clinical characteristics in the table. | ||||||||
| Demographic characteristics | ||||||||
| Age (years) | 58.8 (10.5) | 57.5 (13.4) | 1.3 (−1.6 to 4.2) | |||||
| Women | 58 (53.2%) | 110 (53.1%) | 0.07% (−11.5% to 11.6%) | |||||
| Clinical characteristics at baseline | ||||||||
| Duration of shoulder complaint (weeks) | 27.6 (40.4) | 12.5 (15.5) | 15.2 (8.9 to 21.4) | |||||
| Dominant side affected | 43 (39.5%) | 97 (46.9%) | −7.4% (−18.8% to 4.0%) | |||||
| Concomitant neck pain | 56 (51.4%) | 81 (39.1%) | 12.2% (0.7% to 23.7%) | |||||
| Painkillers in last 48 hours | 30 (27.5%) | 146 (70.5%) | −43.0% (−53.4% to −32.6%) | |||||
| Acute onset of symptoms | 24 (22.0%) | 58 (28.0%) | −6.0% (−15.9% to 3.9%) | |||||
| Baseline measures of outcome | ||||||||
| Pain during the day | 48.7 (22.1) | 56.6 (24.6) | −7.9 (−13.4 to −2.3) | −4.1 (−10.3 to 2.1) | ||||
| Shoulder disability score | 69.4 (18.0) | 47.4 (19.7) | 22.0 (17.5 to 26.5) | 25.6 (20.6 to 30.5) | ||||