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Table 3 Odds ratios for the association between case and respondent variables and treatment preference using a multilevel categorical logistic model. Subtotal PTx and calcimimetics were compared to conservative treatment (reference category)

From: Practice variation in the treatment of patients with renal hyperparathyroidism: a survey-based study in the Netherlands

Predictor

OR

95%-CI

p-value

Patient/Case variables

 Age: 65 yearsa

  Subtotal PTx

0.55

0.33–0.93

0.02

  Calcimimetics

1.04

0.69–1.58

0.84

 PTH: 90 pmol/Lb

  Subtotal PTx

21.6

11.74–39.66

< 0.001

  Calcimimetics

7.54

4.66–12.20

< 0.001

 Calcium: 2.8 mmol/Lc

  Subtotal PTx

93.1

48.39–179.07

< 0.001

  Calcimimetics

31.2

18.58–52.30

< 0.001

Respondent variables

 Surgeond

  Subtotal PTx

1.44

0.69–3.01

0.33

  Calcimimetics

0.55

0.34–0.90

0.02

 Endocrinologiste

  Subtotal PTx

2.56

1.14–5.72

0.02

  Calcimimetics

0.54

0.29–0.96

0.04

 At and above RHPT-related decisionsf

  Subtotal PTx

0.45

0.24–0.81

0.009

  Calcimimetics

1.29

0.87–1.91

0.21

 At and above years of experienceg

  Subtotal PTx

1.11

0.60–2.05

0.73

  Calcimimetics

1.3

0.88–1.93

0.19

 Affiliatedh

  Subtotal PTx

1.15

0.61–2.16

0.66

  Calcimimetics

1.19

0.79–1.78

0.41

  1. (a) reference category: age 40 years, (b) reference category: PTH 40 pmol/L, (c) reference category: calcium 2.25 mmol/L, (d) reference category: nephrologists, (e) reference category: nephrologists, (f) reference category: below the median of RHPT-related treatment decisions in the past year, (g) reference category: below the median years of experience in the current specialty, and (h) reference category: academic hospital