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Table 2 Characteristics and treatments of patients included in evaluation for healing (n = 141)

From: Clinical factors affecting pathological fracture and healing of unicameral bone cysts

Characteristics and treatments Value (range) or No. of patients (%)
Sex  
Male 90 (64%)
Female 51 (36%)
Age, years  
Median (range) 14 (2-58)
Size, cm  
Median (range) 4.0 (0.9-25.0)
Anatomic site  
Humerus 54 (38%)
Calcaneus 35 (25%)
Femur 31 (22%)
Pelvis 9 (6%)
Tibia 5 (4%)
Fibula 5 (4%)
Others 2 (1%)
Pathological fracture at first visit  
Yes 59 (42%)
No 82 (58%)
Biopsy  
Open 25 (18%)
Needle 5 (4%)
None 111 (79%)
Treatments  
Observation 77 (55%)
Surgery 64 (45%)
Operative procedure at first time  
Cannulated screws 35 (55%)
Curettage and graft 12 (19%)
Curettage 3 (5%)
Drilling 3 (5%)
Others 11 (17%)
No. of surgeries  
Single 50 (78%)
Multiple 14 (22%)
Follow-up, months  
Median (range) 28.7 (6.0-178.8)