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Table 3 Association between TSH categories and total joint replacement (TJR) in the hip or knee due to osteoarthritis

From: Incidence of total hip or knee replacement due to osteoarthritis in relation to thyroid function: a prospective cohort study (The Nord-Trøndelag Health Study)

TSH (mU/L)

Persons (n)

Cases (n)

HRa

(95% CI)

HRb

(95% CI)

HRc

(95% CI)

<0.50

908

35

1.08

(0.77–1.52)

1.10

(0.78–1.55)

1.15

(0.79–1.67)

0.50–1.49

17675

635

0.95

(0.84–1.06)

1.10

(0.98–1.23)

1.10

(0.97–1.25)

1.5–2.49

13228

550

1

Reference

1

Reference

1

Reference

2.5–3.49

3773

169

1.03

(0.87–1.22)

0.88

(0.74–1.05)

0.88

(0.73–1.06)

>3.5

2307

127

1.23

(1.01–1.49)

0.97

(0.80–1.17)

0.94

(0.76–1.16)

  1. aUnadjusted
  2. bAdjusted for age, sex, BMI and smoking
  3. cAdjusted for age, sex, BMI, smoking, physical activity and diabetes