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Table 1 Input Parameters in the Decision-making Model and Source

From: Daily almond consumption in cardiovascular disease prevention via LDL-C change in the U.S. population: a cost-effectiveness analysis

Parameter

Value

Distribution

Source

Probability

   

Increase in LDL-C

29% (almond)

–

Tan et al. [8]a

 

41% ± 12% (almond)

Beta

Tan et al.[8]a

 

44% (non-almond)

–

Tan et al.[8]a

For CVD patients

25% (almond)

–

Chen et al. [11]

 

35% (non-almond)

–

Chen et al. [11]

Developing MI

0.38%

–

Pikula et al. [12]

 

3.75%*

–

Pikula et al. [12]

 

1.04% ± 0.91%

Beta

Multiple sources [12, 13]

Death due to MI

14%

–

Benjamin et al. [14]

Taking CABG

0.11%

–

Epstein et al. [15]

Death due to CABG

1.85%

–

Eisenberg et al. [16]

Taking PTCA

0.37%

–

Epstein et al. [15]

Death due to PTCA

1.82%

–

Benjamin et al. [14]

Developing stroke

0.25%

–

Pikula et al. [12]

 

2.46%*

–

Pikula et al. [12]

 

0.099% ± 0.11%

Beta

Multiple sources [12, 17, 18]

Recurrent stroke

30.33%

–

Benjamin et al. [14]

Death due to stroke

21.82%

–

Benjamin et al. [14]

Cost (in 2012 USD)

   

Almond

$156b

–

Trader Joe’s [19]

 

$1369*

–

Trader Joe’s [19]

Organic almond

$470

–

US market price [20]

CABG Procedure

$37,448

–

Cohen et al. [21]

Sensitivity

$29,609

–

Caruba et al. [22]

Follow-up of CABG

$6918

–

Cohen et al. [21]

 

$60,548*

–

Cohen et al. [21]

Failure to Rescue after CABG

$5733c

–

Cohen et al. [21]

PCI Procedure

$31,036

–

Cohen et al. [21]

Sensitivity

$13,688

–

Caruba et al. [22]

Follow-up of PCI

$9489

–

Cohen et al. [21]

 

$83,050*

–

Cohen et al. [21]

Failure to Rescue after PCI

$9243c

–

Cohen et al. [21]

Treatment to Acute MI

$14,697

–

Cohen et al. [21]

Treatment to Chronic Heart Disease

$3365

–

Caruba et al. [22]

 

$45,709*

–

Caruba et al. [22]

Recurrent Stroke

$61,988

–

Engel-Nitz et al. [23]

 

$330,528*

–

Engel-Nitz et al. [23]

Death due to Stroke

$11,377

–

Russo & Andrews [24]

Utilities

   

Disease free

1 QALY

–

–

 

8.75 QALYs*

–

–

Successful CABG

0.82 QALY

–

Elizabeth et al. [25]

 

7.14 QALYs*

–

Elizabeth et al. [25]

Successful PCI

0.85 QALY

–

Elizabeth et al. [25]

 

7.44 QALYs*

–

Elizabeth et al. [25]

Chronic Heart Disease

0.86 QALY

–

Bakhai et al. [26]

 

7.53 QALYs*

–

Bakhai et al. [26]

Recurrent Stroke

0.48 QALY

–

Nelson et al. [27]

 

4.20 QALYs*

–

Nelson et al. [27]

Death

0 QALY

–

–

  1. Abbreviations: CABG = coronary artery bypass graft; LDL-C = low-density lipoprotein cholesterol; MI = myocardial infarction; PCI = percutaneous coronary intervention; PTCA = percutaneous transluminal coronary angioplasty. Note that PTCA and PCI were used interchangeably in data collection. aData is obtained from the request to author. bCost of almond was calculated based on the price of $4.99/lb. and consuming 42.5 g almond every day. cFailure to rescue after procedures includes the cost of re-hospitalizations, physician fees, outpatient services, and medication cost. *Highlighted data was used in the 10-year model