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. How many subjects are in the dataset? There are 12844 subjects in the dataset.

2. How many subjects are men?

3. How old is the oldest and youngest subject?

4. What was longest hospital stay? The longest stay was 38 days

5. How many subjects survived? 12843 subjects survived.

Heart Attack Data 

Datafile:  HeartAttack.sav

Number of Cases: 12844

Background:

Number of days spent in hospital by patients admitted to hospitals in New York during one year with a primary diagnosis of acute myocardial infarction (heart attack). Data are from public medicare records.

Variables:

LOS:  Length of stay (in days)

Age:  Age of subject (in years)

Sex:  Gender reported as characters.  F=female / M=male

DRG: DRG (diagnosis related group) code

Died:  0=no / 1=yes

Sex#:  Gender reported as numbers.  0=female / 1=male