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Table 1 Characteristics of the study population

From: Preoperative prone position exercises: a simple and novel method to improve tolerance to kyphoplasty for treatment of single level osteoporotic vertebral compression fractures

  Exercises group Control group
No.patients 42 41
Patient age(y)(range) 71.4 ± 8.5(56–92) 70.51 ± 7.8(56–84)
Sex[No.(%)]
 Male 11 (26.2) 13 (31.7)
 Female 31 (73.8) 28 (68.3)
Distribution of the fractured vertebrae [No.(%)]
 Thoracic(T6-T10) 8 (19.0) 9 (22.0)
 Thoracolumbar(T11-L2) 30 (71.4) 27 (65.9)
 Lumbar(L3-L5) 4 (9.5) 5 (12.2)
 Chronic obstructive pulmonary disease 13 11
 Coronary heart disease 8 9
 Diabetes 7 7
 Hypertension 17 16
 Thoracic kyphosis deformity 11 12