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Table 1 The baselines of participants

From: Repetitive brief ischemia accelerates tibial shaft fracture healing: a 5-years prospective preliminary clinical trial (PCT)

  RBI therapy group (n = 16) Control group (n = 16) P value
Age(y) 47.75 ± 15.28 39.75 ± 15.08 0.147
Sex
 Female 5 5  < 0.99
 Male 11 11  < 0.99
BMI(kg/m2) 23.25 ± 2.80 26.01 ± 5.22 0.073
Affected side
 Left 8 10 0.722
 Right 8 6 0.722
Fracture type
 42A1 11 11  < 0.99
 42A2 1 1  < 0.99
 42B2 3 3  < 0.99
 42C2 1 1  < 0.99
Injury reason
 Falling by self 13 9 0.252
 Traffic accident 3 7 0.252
Timing between trauma and surgical treatment(d)a 4.0 (6.0–2.0) 5.0 (3.5) 0.761
Combination diseases
 Hypertension 6 2 0.22
 Diabetes mellitus 3 0 0.226
 Coronary heart disease 2 0 0.484
 Cerebral infarction 0 0  < 0.99
Allergic history 3 1 0.6
Smoking history 8 2 0.054
Excessive drinking history 4 3  < 0.99
  1. aBecause the data is skewed distribution, it was represented by median (quartile range) and compared by Mann–Whitney U test. The enumeration data was compared by Fischer’s exact test as the small size