Table 1 Patient information of all referrals, of the accepted referrals and of the patients that have been diagnosed by UD-PrOZA
|  | All referrals (n = 692) | Accepted referrals (n = 329) | Diagnosed patients (n = 60) |
|---|---|---|---|
Mean age (years ± SD) | 42 ± 16 | 40.5 ± 16 | 39 ± 14 |
Sex (%) | |||
 Male | 277 (41) | 144 (44) | 30 (50) |
 Female | 400 (59) | 183 (56) | 30 (50) |
Referred by (%) | |||
 General practitioner | 292 (46) | 67 (21) | 7 (12) |
 Specialist | 348 (54) | 249 (79) | 51 (88) |
Complaint (%) | |||
 Objectifiable | 386 (60) | 285 (87) | 60 (100) |
 Not objectifiable | 259 (40) | 44 (13) | 0 (0) |
Primary symptoms (%) | |||
 Neurologic | 270 (42) | 177 (54) | 35 (58) |
 Immunologic/infectious | 133 (21) | 63 (19) | 8 (14) |
 Musculoskeletal | 107 (17) | 20 (6) | 2 (3) |
 Rheumatologic | 25 (4) | 15 (5) | 0 (0) |
 Cardiac/vascular | 19 (3) | 13 (4) | 2 (3) |
 Gastrointestinal | 18 (3) | 5 (2) | 1 (2) |
 Other | 74 (11) | 36 (11) | 12 (20) |