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Table 1 Characteristics of patients with schizophrenia and control subjects

From: Hip, vertebral, and wrist fracture risks and schizophrenia: a nationwide longitudinal study

Demographic data Patients with Schizophrenia
N = 2028
Patients without Schizophrenia
N = 8112
P values
n % n %
Age (years) a 36.3 (27.63–46.24)   36.2 (27.56–46.31)   >.99
Distribution of age
 20–39 1216 59.96 4864 59.96  
 40–59 643 31.71 2572 31.71  
  ≥ 60 169 8.33 676 8.33  
Sex      >.99
 Male 1026 50.29 4104 50.59  
 Female 1002 49.41 4008 49.41  
Comorbidities
 Hypertension 232 11.44 876 10.80 .41
 Diabetes mellitus 161 7.94 517 6.37 .01*
  Dyslipidemia 165 8.14 687 8.47 .63
  Coronary artery disease 20 0.97 22 0.27 <.01*
 Congestive heart failure 26 1.28 89 1.10 .48
 Cerebrovascular disease 92 4.54 173 2.13 <.01*
 Chronic pulmonary disease 181 8.93 591 7.29 .01*
 Osteoarthritis 185 9.12 736 9.07 .95
  Malignancy 8 0.39 48 0.59 .28
Degree of urbanization      <.01*
 Urban 1123 55.37 5007 61.72  
 Suburban 678 33.43 2518 31.04  
 Rural 227 11.19 587 7.24  
Income group      <.01*
 Low income 1449 71.45 3298 40.66  
 Medium income 532 26.23 3264 40.24  
 High income 47 2.32 1550 19.11  
Follow-up, years a 7.60 (6.21–9.02)   7.72 (6.42–9.03)   <.01*
Newly diagnosed fracture, N (%) 89 4.39 257 3.17 .01*
 Hip fracture 25 1.23 54 0.67 .01*
 Vertebral fracture 53 2.61 142 1.75 .01*
 Wrist fracture 18 0.89 76 0.94 .84
  1. aMedian (interquartile range); * Statistical significance