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Table 2 Multiple linear regression models predicting changes in distal tibia and tibial mid-shaft bone characteristics

From: Physical function and lean body mass as predictors of bone loss after hip fracture: a prospective follow-up study

 Fractured sideNon-fractured side
Distal tibiavBMDTOT
(n = 58)
BSI
(n = 58)
vBMDTOT
(n = 59)
BSI
(n = 56)
B (SE)pB (SE)pB (SE)pB (SE)p
 Lean body mass.152 (0.06).010.136 (0.12).258.151 (0.06).010.152 (0.10).126
 SPPBa−1.44 (0.64).028−3.09 (1.33).023−1.34 (0.64).040−3.06 (1.11).007
 Walking outdoorsb−2.05 (0.74).009−3.62 (1.53).024−2.67 (0.74)<.001−5.69 (1.28)<.001
 R2 = .236<.001R2 = .182.006R2 = .363<.001R2 = .428<.001
Tibial midshaftvBMDCO
(n = 57)
SSI
(n = 58)
vBMDCO
(n = 58)
SSI
(n = 57)
B (SE)pB (SE)pB (SE)pB (SE)p
 Lean body mass−.025 (0.04).531.171 (0.08).042−.004 (0.04).910.129 (0.07).067
 SPPBa−.538 (0.46).247−2.03 (0.93).034−.193 (0.43).655−.062 (0.78).938
 Walking outdoorsb−.371 (0.54).485−0.60 (1.08).578−.356 (0.50).476−.343 (0.90).711
 R2 = .119.286R2 = .247.023R2 = .015.566R2 = .157.421
  1. The models were adjusted for age, sex, surgical procedure, number of chronic diseases and use of bisphosphonates at baseline. Sample size reduction due to weighting ranged from 5 to 10%
  2. vBMDTOT Total volumetric bone mineral density, BSI Compressive bone strength index, vBMDCO Cortical vBMD, SSI Strength-strain index, SPPB Short Physical Performance Battery
  3. a0) high performance (score ≥ 7), 1) low performance (score < 7)
  4. b0) without difficulties/minor difficulty 1) major difficulty/unable