Baseline patient, trauma, and clinical characteristics of patients aged 18–45 years with recent knee trauma, seen in primary care, N = 174
| Median Age, years (IQR) | 34 (26–41) |
| Male, n (%) | 110 (63) |
| BMI, mean (SD) | 25.3 (3.9) |
| Musculoskeletal comorbidities, n (%) | 39 (22) |
| Duration of complaints, days, median, (IQR) | 42 (17–83) |
| Sports-related trauma, n (%) | 105 (60) |
| Rotational trauma, n (%) | 70 (40) |
| Popping sensation during trauma, n (%) | 64 (37) |
| Direct pain after trauma, n (%) | 127 (73) |
| Direct swelling after trauma, n (%) | 43 (25) |
| Not able to continue activity after trauma, n (%) | 124 (71) |
| KOOS Pain, meana (SD) | 58 (20) |
| KOOS Symptoms, meanb (SD) | 61 (20) |
| KOOS Sports, meanc (SD) | 35 (27) |
↵a,b,c Knee specific scores on respectively pain, symptoms and limitations in sports, ranging from 0 = worst score to 100 = best score. BMI = body mass index. IQR = interquartile range. KOOS = knee injury and osteoarthritis outcome score. SD = standard deviation.