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Table 2 Baseline participant characteristics

From: Health services changes: is a run-in period necessary before evaluation in randomised clinical trials?

  Run-in period Main trial
Number of patients (%) Number of patients (%)
  Usual care PhysioDirect Usual care PhysioDirect
N = 488 N = 977 N = 743 N = 1506
Agea 49.8 (15.9) 50.3 (16.0) 49.0 (16.3) 48.9 (16.0)
Gender:     
  Female 288 (59.0) 583 (59.7) 438 (59.0) 897 (59.6)
  Male 200 (41.0) 394 (40.3) 305 (41.1) 609 (40.4)
Referral problem:     
  Cervical 63 (13.0) 116 (11.9) 89 (12.0) 185 (12.3)
  Thoracic 6 (1.2) 19 (1.9) 13 (1.8) 35 (2.3)
  Lumbar 139 (28.6) 292 (29.9) 203 (27.4) 412 (27.4)
  Upper limb 104 (21.4) 201 (20.6) 174 (23.5) 351 (23.3)
  Lower limb 147 (30.3) 302 (30.9) 225 (30.3) 450 (29.9)
  Widespread pain 3 (0.6) 5 (0.5) 7 (0.9) 8 (0.5)
  Multiple MSK 22 (4.5) 39 (4.0) 27 (3.6) 55 (3.7)
  Other MSK 2 (0.4) 3 (0.3) 4 (0.5) 10 (0.7)
PCT:     
  A 128 (26.2) 256 (26.2) 251 (33.8) 499 (33.1)
  B 118 (24.2) 224 (22.9) 165 (22.2) 348 (23.1)
  C 159 (32.6) 342 (35.0) 174 (23.4) 353 (23.4)
  D 83 (17.0) 155 (15.9) 153 (20.6) 306 (20.3)
  1. MSK: musculoskeletal.
  2. aMean (standard deviation) provided.