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Table 1 Characteristics of total patients

From: Risk factors related to perioperative systemic complications and mortality in elderly patients with osteoporotic vertebral fractures—analysis of a large national inpatient database

  Total patient
(N = 2446)
Age (years) 77.4
(5.9)
BMI (kg/m2) 22.2
(3.7)
Smoking index 1011
(2889)
Admission type
 Scheduled 1379
(56.4%)
 Unscheduled 1067
(43.6%)
Emergency transport
 Yes 400
(16.3%)
 No 2046
(83.7%)
Hospital type
 Academic 131
(5.4%)
 Non-academic 2315
(94.6%)
ADL score for admission (points) 10.5
(7.6)
Preoperative comorbidities
 Diabetes mellitus 354
(14.5%)
 Cardiovascular disease 136
(5.6%)
 Cardiac failure 76
(3.1%)
 Atrial fibrillation 63
(2.6%)
 Hypertension 691
(28.3%)
 Cerebrovascular disease 34
(1.4%)
 Chronic obstructive pulmonary disease 11
(0.5%)
 Pneumonia 7
(0.3%)
 Renal failure 49
(2.0%)
 Hepatic failure 61
(2.5%)
 Gastric ulcer and hemorrhage 90
(3.7%)
 Malignancy 90
(3.7%)
 Rheumatoid arthritis 102
(4.2%)
 Dementia 49
(2.0%)
 Depression 82
(3.4%)
 Schizophrenia 46
(1.9%)
  1. Continuous data are presented as the mean (standard division). Categorical data were presented as n (%)
  2. BMI body mass index, ADL activity of daily living