Table 2 Minimum information that should be included in a case definition for use in epidemiological research
Disorder/disease | Delphi round 1 (N = 64). A case definition for epidemiological research can be based on symptoms only (yes(%)) | Delphi round 2 (N = 58). The minimum information that should be included in a case definition for use in epidemiological research when it is not possible to perform physical examination or imaging (yes (%)). | ||||
|---|---|---|---|---|---|---|
Self-reported symptoms N(%) | Self-report that a diagnosis was made by a physician N(%) | Self-reported limitation of daily activities N(%) | Self-reported limitation of work activities N(%) | None of the above is sufficient N(%) | ||
Chronic low back pain | 44 (69%) | 39 (67%) | 24 (41%) | 33 (57%) | 32 (55%) | 4 (7%) |
Low back pain | 45 (70%) | 44 (76%) | 21 (36%) | 31 (53%) | 28 (48%) | 1 (2%) |
Lumbosacral radicular syndrome | 23 (36%) | 37 (64%) | 34 (59%) | 30 (52%) | 26 (45%) | 4 (7%) |
Carpal tunnel syndrome | 23 (36%) | 36 (62%) | 32 (55%) | 22 (38%) | 25 (43%) | 5 (9%) |
Subacromial pain syndrome | 22 (34%) | NR | NR | NR | NR | NR |
Later or medial elbow tendinopathy | 27 (42%) | 34 (59%) | 31 (53%) | 27 (47%) | 26 (45%) | 8 (14%) |
Knee osteoarthritis | 12 (19%) | 33 (57%) | 31 (53%) | 31 (53%) | 24 (41%) | 9 (16%) |
Hip osteoarthritis | 14 (22%) | 31 (53%) | 31 (53%) | 31 (53%) | 22 (38%) | 9 (16%) |