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Table. 2 Multivariate Cox regression analysis of the HR for clinical patients with osteoporotic fractures

From: Relationship between bone mineral density and fragility fracture risk: a case-control study in Changsha, China

Variable

Female (2423 pair)

Male (901 pair)

Unadjusted model a

Adjusted model b

Unadjusted model a

Adjusted model c

HR (95 % CI)

HR (95 % CI)

HR (95 % CI)

HR (95 % CI)

PA-BMD

3.08 (2.83–3.36)

2.73 (2.50–2.99)

4.18 (3.51–4.99)

3.61 (2.99–4.36)

Hip-BMD

3.24 (2.96–3.55)

2.83 (2.57–3.12)

4.67 (3.86–5.65)

4.12 (3.34–5.08)

PA T-score

3.09 (2.84–3.36)

2.73 (2.50–2.99)

4.36 (3.64–5.22)

3.76 (3.10–4.56)

Per − 1 T-score

1.73 (1.67–1.80)

1.72 (1.65–1.78)

1.76 (1.68–1.85)

1.68 (1.59–1.78)

Hip T-score

3.24 (2.96–3.55)

2.83 (2.57–3.12)

4.62 (3.83–5.59)

4.06 (3.29–5.00)

Per − 1 T-score

1.60 (1.55–1.66)

1.63 (1.58–1.69)

1. 67 (1.59–1.76)

1.60 (1.51–1.70)

  1. PA-BMD posteroanterior (PA) spine bone mineral density, 95 % CI 95 % confidence interval
  2. aUnivariate analysis
  3. b Adjusted for age, age at menopause, years since menopause, height, weight and body mass index
  4. c Adjusted for age, height, weight and body mass index