Table 3 Continuity of care and major osteoporotic fracture risk in patients with newly developed rheumatoid arthritis.

From: Impact of continuity of care on risk for major osteoporotic fracture in patients with new onset rheumatoid arthritis

 

Major osteoporotic fracture

Good COC index (COC index ≥ 0.75)

Bad COC index (COC index < 0.75)

n

7627

1088

No. of fracture

1088

222

Person-years

33,226

5002

Incidence rate (95% CI)a

3275 (3086–3475)

4439 (3891–5063)

Adjusted hazard ratio (95% CI)b

Model 1 (age as a categorical variable)

1.00 (Reference)

1.32 (1.14–1.53)

Model 2 (age as a continuous variable)

1.00 (Reference)

1.29 (1.11–1.46)

Model 3 (Cox model with attained age)

1.00 (Reference)

1.31 (1.12–1.51)

  1. Major osteoporotic fracture included fracture of lumbar spine and pelvis, forearm, or hip.
  2. COC continuity of care, CI confidence interval.
  3. aEvents per 100,000 person-years.
  4. bAdjusted with all covariates shown in Table 1.
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