Variable name

Variable definitions in terms of common underlying variable

Probability the dysplasia will definitely require an invasive procedure

pdisreqinvas

0.2

pCIN1reqinvproc

.35*pdisreqinvas

pdreqinvg1crgper

1-.81*(1-pdisreqinvas)

pdreqinvg1crgpro

1-.525*(1-pdisreqinvas)

pdreqinvgimcryfail

1-.875*(1-pdisreqinvas)

pCIN3reqinvproc

1

Probability doctor will choose cryotherapy as opposed to a more invasive procedure

pcryovsinvas

0.75

p2cryg1crfaigper

.20*pcryovsinvas

pcryogCIN2

.80*pcryovsinvas

p2cryg1crfaigpro

.1333*pcryovsinvas

p2crygimcryfail

.333*pcryovsinvas

Probability cryotherapy will cure the dysplasia

pcurgcryo

0.95

pcurg1cryopers

.98*pcurgcryo

pcurg1cryoprog

.95*pcurgcryo

pcurgimcryo

pcurgcryo

pcurg2cryo

.85*pcurgcryo

Probability colposcopic exam can adequately view the cervic, post cryotherapy

pviewgimcryfail

0.70

pviewg1cryfail

pviewgimcryfail

Probability the cryotherapy will regress, persist, or progress to CIN 2 or CIN 3

preggfol

0.57

proporpersist

0.74

ppergfol

proporpersist*(1-preggfol)

propCIN2

0.50

pCIN2

propCIN2*(1-preggfol-ppergfol)

pCIN3

1 - preggfol - ppergfol - pCIN2

Evaluation of dysutility of invasive procedures relative to cryotherapy

invcryofactor*

1

vCryo (dysutility of cryotherapy)

3

LEEP

invcryofactor * vCryo

Laser Ablation

(4/3) * invcryofactor * vCryo

Laser Cone

(5/3) * invcryofactor * vCryo

Cold Knife Cone

(5/3) * invcryofactor * vCryo

Hysterectomy

(8/3) * invcryofactor * vCryo