Table 2 Cumulative incidence (%) of major osteoporotic fracture 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

Cumulative time frame

Continuity of care

Good (COC index ≥ 0.75)

Bad (COC index < 0.75)

Cumulative incidence (%)

95% CI

Cumulative incidence (%)

95% CI

1 year

2.92

(2.56–3.32)

4.04

(2.99–5.33)

2 years

5.92

(5.40–6.47)

7.65

(6.16–9.34)

3 years

8.88

(8.23–9.55)

12.14

(10.23–14.22)

4 years

11.76

(11.00–12.54)

16.02

(13.81–18.37)

5 years

13.92

(13.08–14.78)

18.52

(16.12–21.04)

6 years

16.54

(15.59–17.53)

21.82

(19.16–24.60)

7 years

18.88

(17.77–20.01)

25.87

(22.68–29.17)

8 years

21.00

(19.39–22.66)

27.91

(23.95–31.99)

  1. Cumulative incidence was estimated using the Aalen-Johansen estimator.
  2. COC continuity of care, CI confidence interval.