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Table 3 Associations between number of vertebral fracture and lung function

From: Cross-sectional associations between prevalent vertebral fracture and pulmonary function in the sixth Tromsø study

  Pulmonary function (mean (SD) or (SE))
  Men Women
  Number of vertebral fractures Number of vertebral fractures
  0 (n=771) 1 (n=83) 2 (n=26) 3 (n=9) 4-6 (n=3) P trend 0 (n=1079) 1 (n=103) 2 (n=37) 3 (n=11) 4-6 (n=10) P trend
FVC% predicteda 98.2 (15.3) 97.9 (17.9) 99.5 (17.1) 90.0 (15.2) 80.1 (10.3) 0.047 101.2 (15.8) 102.6 (18.3) 101.7 (17.4) 107.6 (16.1) 94.1 (21.1) 0.137
FEV1% predicteda 88.9 (16.9) 87.2 (20.2) 84.3 (24.9) 79.6 (22.7) 70.8 (12.3) 0.007 93.0 (17.4) 94.2 (20.5) 93.1 (20.5) 94.2 (24.0) 83.9 (23.3) 0.437
FEV1/FVC% predicteda 90.6 (10.8) 88.8 (10.9) 83.2 (17.7) 87.2 (16.4) 87.8 (4.3) 0.002 92.0 (9.1) 91.2 (10.4) 91.1 (9.3) 86.0 (13.7) 88.0 (10.5) 0.021
Adjustedb values (n=665) (n=74) (n=22) (n=7) (n=2)   (n=800) (n=65) (n=26) (n=5) (n=8)  
FVC (liter (SE)) 4.22 (0.024) 4.22 (0.073) 4.29 (0.133) 4.18 (0.237) 4.10 (0.442) 0.982 2.99 (0.015) 3.09 (0.053) 2.90 (0.084) 2.89 (0.192) 2.75 (0.154) 0.321
FEV1 (liter (SE)) 3.08 (0.021) 3.07 (0.063) 2.94 (0.116) 3.24 (0.206) 3.12 (0.384) 0.747 2.21 (0.013) 2.32 (0.046) 2.15 (0.073) 2.04 (0.166) 2.08 (0.134) 0.476
FEV1/FVC (SE) 0.73 (0.003) 0.73 (0.009) 0.67 (0.016) 0.79 (0.028) 0.76 (0.053) 0.502 0.74 (0.002) 0.75 (0.008) 0.74 (0.013) 0.69 (0.029) 0.76 (0.023) 0.874
  1. The Tromsø Study 2007-08.
  2. aEquation from Langhammer et al. [27].
  3. bAdjusted for age, smoking habits, height, weight, physical inactivity, cardiovascular disease, lung disease, corticosteroids, hip BMD, hormones for menopause (women).