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Table 1 Baseline characteristics of patients

From: “Minimal clinically important difference” estimates of 6 commonly-used performance tests in patients with chronic musculoskeletal pain completing a work-related multidisciplinary rehabilitation program

Characteristics N Values
Age 838 44 ± 11
Sex 838 735 (88%) male
Educational level 835  
 - ≤ 9 years   487 (58%)
 - > 9 years   348 (42%)
Lesion location 838  
 - Neck/back   129 (15%)
 - Upper limb   357 (43%)
 - Lower limb   352 (42%)
AIS 818  
 - Minor   304 (37%)
 - Moderate   514 (63%)
Duration of symptoms 837 Median [IQ]: 401 days [257–722]
Length of stay 838 31 ± 10
GRC 825  
 - Improved (GRC ≥ + 2)   280 (34%)
 - Not improved (GRC < + 2)   545 (66%)
  1. Values are presented as Mean(±Standard Deviation) or N(percentages), unless stated otherwise. Age in years, Length of stay in days. AIS Abbreviated Injury Scale, GRC Global Rating of Change. N number of patients