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Table 1 Patients characteristics

From: Extracorporeal shock wave therapy in the treatment of primary bone marrow edema syndrome of the knee: a prospective randomised controlled study

Characteristics Group A (n = 20) Group B (n = 20)
Female, n (%) 9 (45) 11 (55)
Age, years 41.6 ± 9.7 45.1 ± 8.9
Height, m 1.65 ± 0.21 1.68 ± 0.32
Weight, kg 64.2 ± 6.3 67.4 ± 8.6
BMI, kg/m2 25.5 ± 3.7 24.9 ± 5.4
IBST, weeks 2.9 ± 2.7 3.2 ± 1.9
Duration of follow-up, months 12.1 ± 2.5 13.0 ± 1.8
  1. Note: BMI Body Mass Index, IBST Interval between the onset of symptoms and the beginning of treatment