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Table 2 Parameter Table - Base Case

From: Medialization thyroplasty versus injection laryngoplasty: a cost minimization analysis

Parameter

Base case

Reference

Probabilities a (%)

 Having a voice issue right after the initial MT

6.4

LHSC Datad

 Undergoing revision MT for patients with voice issue after the initial MT

25.0

LHSC Datad

 Having a voice and swallowing issue right after the initial MT

9.5

LHSC Datad

 Undergoing revision MT for patients with voice and swallowing issue after the initial MT

16.7

LHSC Datad

 Having a voice issue right after the initial IL

19.5

LHSC Data4

 Having a voice and swallowing issue right after the initial IL

36.6

LHSC Datad

 Undergoing revision IL for patients with voice issue after the initial IL

37.5

LHSC Datad

 Having a voice issue after the revision IL for patients with voice issue after the initial IL

33.3

LHSC Datad

 Switching to MT if asymptomatic right after the 1st IL but relapse over time

33.3

LHSC Datad

 Admission after MT

60.3

LHSC Datad

Direct costs ($):

 Costs components for MT b

  Surgeon

632.85

[11]

  Nursing and OR aides

325.38

LHSC Datad

  Supplies

316.42

LHSC Datad

  Anesthesia

165.46

[11]

  Inpatient stay if admitted after a MT c

1,595.78

LHSC Data4

 Costs components for IL

  Equipment

CaHa)

305.71

LHSC Datad

  Physician

256.11

[11]

  Nursing staff

5.42

[12]

 Discount rate

5%

[1]

 Time to relapse

1 year

[2]

  1. a Only non-zero probabilities are listed. All probabilities for the remaining branches in the model are zero
  2. b Revision MT was assumed to cost the same as initial MT
  3. c Assumed rate of inpatient stay after MT is the same for patients with or without post-surgery symptoms
  4. d Based on London Health Sciences Centre (LHSC) retrospectively collected patient cohort