Table 3 Multivariable model for factors associated with parathyroidectomy

 19–44

1.95 (1.83–2.08)

<0.001

 45–64

1 (Referent)

 65–74

0.37 (0.34–0.42)

< 0.001

 ≥ 75

0.11 (0.09–0.13)

< 0.001

 White

1 (Referent)

 Black

1.29 (1.21–1.37)

< 0.001

 Other

0.89 (0.77–1.03)

0.11

 Male

0.82 (0.77–0.87)

< 0.001

 Female

1 (Referent)

 Diabetes

0.58 (0.53–0.64)

< 0.001

 Hypertension

1 (Referent)

 Glomerulonephritis

1.11 (1.02–1.21)

0.011

 Other/unknown/missing

1.04 (0.96–1.13)

0.30

 < 18

0.96 (0.82–1.13)

0.62

 18– < 25

1 (Referent)

 25– < 30

1.10 (1.02–1.20)

0.016

 30– < 35

1.32 (1.21–1.44)

< 0.001

 35– < 40

1.48 (1.34–1.64)

< 0.001

 ≥ 40

1.53 (1.38–1.69)

< 0.001

 Missing

1.08 (0.94–1.24)

0.29

 1– < 3

1 (Referent)

 3– < 5

2.23 (2.02–2.47)

< 0.001

 ≥ 5

3.70 (3.37–4.05)

< 0.001

 Diabetes

0.82 (0.76–0.89)

< 0.001

 ASHD

1.15 (1.07–1.23)

< 0.001

 CHF

1.08 (1.01–1.15)

0.019

 CVA/TIA

0.82 (0.74–0.89)

< 0.001

 PVD

0.97 (0.91–1.04)

0.42

 Dysrhythmia

1.08 (1.00–1.16)

0.058

 Other cardiac disease

1.37 (1.29–1.47)

< 0.001

 16

1.37 (1.17–1.60)

< 0.001

 1

1.35 (1.17–1.57)

< 0.001

 12

1.24 (1.09–1.40)

0.001

 13

1.24 (1.08–1.37)

0.001

 6

1.18 (1.09–1.28)

< 0.001

 8

1.17 (1.06–1.29)

0.002

 15

1.14 (0.99–1.31)

0.067

 14

1.13 (1.03–1.23)

0.008

 11

1.03 (0.92–1.16)

0.60

 7

1.01 (0.90–1.13)

0.91

 3

0.97 (0.84–1.12)

0.69

 9

0.92 (0.83–1.02)

0.12

 5

0.88 (0.79–0.99)

0.032

 10

0.88 (0.76–1.01)

0.070

 17

0.80 (0.68–0.93)

0.005

 2

0.78 (0.68–0.88)

< 0.001

 4

0.69 (0.59–0.82)

< 0.001

 18

0.67 (0.58–0.78)

< 0.001

 2007

1 (Referent)

 2008

0.89 (0.83–0.95)

0.001

 2009

0.83 (0.78–0.89)

< 0.001