Diabetic Non-diabetic
      p-values       p-values
EBGS (N=479) LIPUS (N=183) No-stim (N=742) EBGS vs. No- stim LIPUS vs. No- stim EBGS vs. LIPUS EBGS (N=2951) LIPUS (N=1251) No-stim (N=6022) EBGS vs. No-stim LIPUS vs. No-stim EBGS vs. LIPUS
% % % % % %
Open fracture (%) 1.7 0.6 4.9 <0.01 0.01 0.26 2.9 2.0 4.4 <0.01 <0.01 0.10
Fracture location (%)       <0.01 <0.01 0.13       <0.01 <0.01 0.12
Clavicle 0.8 3.8 4.5       6.9 7.1 8.8      
Humerus 5.9 7.1 11.6       5.2 4.2 5.7      
Radius and ulna 5.4 7.1 7.8       6.2 6.7 10.5      
Carpal 2.1 1.6 5.5       8.5 8.3 15.8      
Metacarpal 0.4 0.6 1.6       1.5 0.6 2.2      
Phalanges of hand 0.4 0.0 3.4       0.9 0.9 5.6      
Neck of femur 1.3 1.1 5.3       1.0 0.9 2.9      
Other parts of femur 2.3 3.3 4.6       2.3 3.3 2.1      
Tibia and fibula 8.4 7.1 5.7       9.9 11.8 5.5      
Ankle 9.2 14.2 15.6       7.8 8.6 9.5      
Tarsal and metatarsal bones 60.5 52.5 25.1       46.5 43.9 23.6      
Phalanges of foot 1.7 0.0 4.7       2.3 2.6 3.8      
Other 1.6 1.7 4.8       0.9 1.4 4.0      
Fracture-related treatments in the 9 months before the index date (%)
Cast/splint 33.2 36.6 23.5 <0.01 <0.01 0.41 32.1 30.1 24.4 <0.01 <0.01 0.20
Application of external fixation device 3.6 4.9 4.0 0.66 0.60 0.42 3.1 4.4 2.6 0.25 <0.01 0.03
Closed reduction without internal fixation 4.4 2.7 6.5 0.12 0.05 0.33 4.4 5.1 4.0 0.35 0.08 0.34
Closed reduction with internal fixation 1.3 3.3 2.3 0.19 0.44 0.08 1.8 2.0 3.3 <0.01 0.02 0.60
Open reduction without internal fixation 10.7 10.9 12.8 0.26 0.49 0.92 12.5 10.2 8.2 <0.01 0.02 0.03
Open reduction with internal fixation 20.5 17.5 20.9 0.86 0.30 0.39 20.8 19.3 13.7 <0.01 <0.01 0.28
Bone graft 1.0 4.9 1.8 0.32 0.01 <0.01 2.5 2.4 1.5 <0.01 0.02 0.79
Arthroscopy 1.3 2.7 2.3 0.19 0.73 0.18 2.6 3.2 2.1 0.14 0.02 0.29
Complications during the 9 month pre-index period (%)
Injury to blood vessel of upper or lower limb 0.2 0.0 0.3 0.83 0.48 0.54 0.4 0.5 0.3 0.43 0.43 0.86
Injury to nerve of upper or lower limb 1.0 0.5 0.3 0.08 0.56 0.55 0.3 0.5 0.9 <0.01 0.15 0.39
Secondary and recurrent hemorrhage 0.0 0.0 0.0 NA NA NA 0.0 0.0 0.0 NA NA NA
Posttraumatic wound infection 0.6 0.5 0.8 0.72 0.71 0.91 0.3 0.4 0.3 0.96 0.71 0.76
Traumatic compartment syndrome 0.2 0.0 0.1 0.75 0.62 0.54 0.3 0.1 0.1 0.05 0.84 0.22
Septicemia/bacteremia 1.9 1.1 2.8 0.29 0.18 0.48 0.4 0.8 0.5 0.64 0.22 0.15
Mechanical complication of internal orthopedic device/implant/graft 4.4 6.0 6.3 0.15 0.87 0.38 3.4 3.6 3.5 0.72 0.92 0.74
Infection and inflammatory reaction due to internal prosthetic device/implant/graft 2.5 1.1 3.2 0.46 0.12 0.26 1.1 1.5 1.3 0.44 0.56 0.28
Blood transfusion 4.8 5.5 8.4 0.02 0.19 0.73 2.0 4.8 3.0 <0.01 <0.01 <0.01
Treatments in the 12 months after the index date (%)
Any fracture related treatment 18.4 16.9 20.0       16.7 19.5 24.7      
Cast/splint 0.50 0.36 0.67 <0.01 <0.01 0.03
Application of external fixation device 2.3 1.6 3.1 0.40 0.28 0.60 1.3 1.4 2.1 <0.01 0.11 0.63
Closed reduction without internal fixation 1.3 2.2 1.2 0.95 0.32 0.38 1.4 1.4 1.3 0.81 0.86 0.99
Closed reduction with internal fixation 0.0 0.0 0.8 0.05 0.22 NA 0.1 0.2 0.3 0.11 0.66 0.45
Open reduction without internal fixation 4.0 4.9 12.7 <0.01 <0.01 0.59 6.3 6.9 15.8 <0.01 <0.01 0.47
Open reduction with internal fixation 7.5 16.4 24.8 <0.01 0.02 <0.01 11.1 13.5 24.2 <0.01 <0.01 0.02
Bone graft 9.6 18.0 25.7 <0.01 0.03 <0.01 17.3 22.9 32.5 <0.01 <0.01 <0.01
Arthroscopy 1.5 3.8 4.7 <0.01 0.60 0.06 3.4 3.7 5.7 <0.01 <0.01 0.64
Table 2: Characteristics of the fractures and the fracture-related treatments in the different treatment cohorts for both diabetic and non-diabetic patients.