| Name | Labels | Levels | Storage | NAs |
| patno | Patient Number | double | 0 | |
| stage | Stage | double | 0 | |
| rx | 4 | integer | 0 | |
| dtime | Months of Follow-up | double | 0 | |
| status | 10 | integer | 0 | |
| age | Age in Years | double | 1 | |
| wt | Weight Index = wt(kg)-ht(cm)+200 | double | 2 | |
| pf | 4 | integer | 0 | |
| hx | History of Cardiovascular Disease | double | 0 | |
| sbp | Systolic Blood Pressure/10 | double | 0 | |
| dbp | Diastolic Blood Pressure/10 | double | 0 | |
| ekg | 7 | integer | 8 | |
| hg | Serum Hemoglobin (g/100ml) | double | 0 | |
| sz | Size of Primary Tumor (cm^2) | double | 5 | |
| sg | Combined Index of Stage and Hist. Grade | double | 11 | |
| ap | Serum Prostatic Acid Phosphatase | double | 0 | |
| bm | Bone Metastases | double | 0 | |
| sdate | Date on study | double | 0 |
| Variable | Levels |
| rx | placebo |
| 0.2 mg estrogen | |
| 1.0 mg estrogen | |
| 5.0 mg estrogen | |
| status | alive |
| dead - prostatic ca | |
| dead - heart or vascular | |
| dead - cerebrovascular | |
| dead - pulmonary embolus | |
| dead - other ca | |
| dead - respiratory disease | |
| dead - other specific non-ca | |
| dead - unspecified non-ca | |
| dead - unknown cause | |
| pf | normal activity |
| in bed < 50% daytime | |
| in bed > 50% daytime | |
| confined to bed | |
| ekg | normal |
| benign | |
| rhythmic disturb & electrolyte ch | |
| heart block or conduction def | |
| heart strain | |
| old MI | |
| recent MI |