Intended for US healthcare professionals only.

Have Your Patients Reached the Tipping Point?

Determine FIB-4, NFS, and APRI scores using the calculators below. You can calculate any one of three simple scores to assess the presence of Advanced Fibrosis.

NIT Calculators*

Choose which score you would like to calculate, then fill in the required information.

years

U/L

Normal: 1-40

U/L

Normal: 1-35

x 109/L

Normal: 150-350

{{fibResultMessage}}  

FIB-4

{{fibResult}}

Additional Information

<1.3
fib advanced fibrosis absence upper limit marker
≥2.67
fib advanced fibrosis indeterminate upper limit marker

Absence of
Advanced Fibrosis

Sensitivity of 82%

18% of patients with
Advanced Fibrosis
are missed

Indeterminate Zone

Consider the use of a
second NIT

Presence of
Advanced Fibrosis

Specificity of 93%

7% of patients are wrongly
diagnosed with Advanced
Fibrosis

Next Steps

Record Your Results

  1. Write down or print your patient's results.
  2. Perform a second NIT. (i.e. an imaging test or proprietary serum test.)
  3. Recommend lifestyle modifications.
  4. Monitor your patient.
print background Print Results
years

U/L

Normal: 1-40

U/L

Normal: 1-35

kg/m2

Normal: 20-25

g/dL

Normal: 3.5-5.5

x 109/L

Normal: 150-350

{{nfsResultMessage}}  

NFS

{{nfsResult}}

Additional Information

<-1.455
nfs advanced fibrosis absence upper limit marker
≥0.676
fib advanced fibrosis indeterminate upper limit marker

Absence of
Advanced Fibrosis

Sensitivity of 89%

11% of patients with Advanced Fibrosis are missed

Indeterminate Zone

Consider the use of a
second NIT

Presence of
Advanced Fibrosis

Specificity of 89%

11% of patients are wrongly diagnosed with Advanced Fibrosis

print background

Next Steps

Record Your Results

  1. Write down or print your patient's results.
  2. Perform a second NIT. (i.e. an imaging test or proprietary serum test.)
  3. Recommend lifestyle modifications.
  4. Monitor your patient.
Print Results

No information is collected, stored or shared. All information remains local to the test and is deleted immediately after.

AST, aspartate aminotransferase: ALT, alanine aminotransferase: U/L, units per liter

No information is collected, stored or shared. All information remains local to the test and is deleted immediately after.

AST, aspartate aminotransferase; ALT, alanine aminotransferase; U/L, units per liter; BMI, body mass index.

 

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US-PP-NAS-0679 09/20