This procedure can be used when the:

Data is Epidemiological in nature

Present this graphically using a Clustered or Stacked Bar Chart

In SPSS select: Graphs > Chart Builder - Gallery – Bar | Clustered Bar or Stacked Bar

Analyse this in SPSS using:

Analyze >Descriptive Statistics > Crosstabs

Report this quoting the:

PPV & NPV and 95% Confidence Intervals
Use Confidence Interval Analysis (CIA)Diagnostic Studies | Sensitivity & Specificity to calculate these values

Comments

SPSS provides the values for use with CIA

Please Report any issues to Brian Yuen