Table 2.
Events by Primary Cause Stratified by Age.
| Total (n=747) | Age <65 (n=461) | Age ≥65 (n=286) | P value | |
|---|---|---|---|---|
| Primary Cause | 0.14 | |||
| System | 551 (73.8%) | 331 (71.8%) | 220 (76.9%) | |
| Human | 196 (26.2%) | 130 (28.2%) | 66(23.1%) |
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