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Table 1 Demographic characteristics and comorbidities for the osteoporosis and comparison cohorts from 2003 to 2005 ( N =8190)

From: Osteoporosis increases subsequent risk of gallstone: a nationwide population-based cohort study in Taiwan

  Patients with osteoporosis ( n =1638) Patients without osteoporosis ( n =6552) P value
  n % n %  
Sex      1
 Male 242 14.8 968 14.8  
 Female 1396 85.2 5584 85.2  
Age (y)      1
 50–64 648 39.6 2592 39.6  
 65–79 808 49.3 3232 49.3  
 ≥ 80 182 11.1 728 11.1  
Mean ± SD of follow-up (y)      < .001
  4.76 0.97 4.88 0.66  
Urbanization level      0.037
 1 (most urbanized) 443 27.0 2010 30.7  
 2 452 27.6 1688 25.8  
 3 229 14.0 929 14.2  
 4 264 16.1 1035 15.8  
 5 (least urbanized) 250 15.3 890 13.6  
Monthly income      0.006
 0 567 34.6 2520 38.5  
 NT$ 1–15,840 245 15.0 809 12.3  
 NT$ 15,841–25,000 695 42.4 2724 41.6  
 NT$ –25,001 131 8.0 499 7.6  
Geographic region      < .001
 Northern 687 41.9 2953 45.1  
 Central 467 28.5 1630 24.9  
 Southern 355 21.7 1566 23.9  
 Eastern 129 7.9 403 6.2  
Hypertension      < .001
 Yes 1212 74.0 4548 69.4  
 No 426 26.0 2004 30.6  
Hyperlipidemia      < .001
 Yes 895 54.6 2914 44.5  
 No 743 45.4 3638 55.5  
Diabetes      0.008
 Yes 658 40.2 2399 36.6  
 No 980 59.8 4153 63.4  
Liver cirrhosis      < .001
 Yes 368 22.5 900 13.7  
 No 1270 77.5 5652 86.3  
Hemolytic anemia      0.773
 Yes 2 0.1 10 0.2  
 No 1636 99.9 6542 99.8  
Spinal cord injury      <.001
 Yes 99 6.0 17 0.3  
 No 1539 94.0 6535 99.7  
Obesity      0.826
 Yes 10 0.6 37 0.6  
 No 1628 99.4 6515 99.4  
Hormone replacement      <.001
 Yes 231 14.1 298 4.5  
 No 1407 85.9 6254 95.5  
Ceftriaxone      0.813
 Yes 4 0.2 14 0.2  
 No 1634 99.8 6538 99.8  
Clofibrate      0.045
 Yes 1 0.1 Na Na  
 No 1637 99.9 6552 100.0  
Octreotide      0.724
 Yes 2 0.1 6 0.1  
 No 1636 99.9 6546 99.9  
Total parenteral nutrition      0.070
 Yes 1 0.1 21 0.3  
 No 1637 99.9 6531 99.7