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Astronaut and cosmonaut group characteristics.
| Astronauts | Cosmonauts | |
|---|---|---|
| N | 301 | 117 |
| Age at first flight, mean (sd) | 40.7 (4.7) | 38.3 (5.1) |
| Years of follow-up | ||
| Total | 7,295.8 | 2,966.8 |
| Mean (sd) | 24.2 (12.4) | 25.4 (14.1) |
| Maximum | 54.8 | 54.9 |
| Deaths, n (%) | ||
| All causes | 53 (100.0) | 36 (100.0) |
| Cancer | 16 (30.2) | 10 (28.0) |
| CVD | 8 (15.1) | 18 (50.0) |
| Other natural | 6 (11.3) | 2 (6.0) |
| External | 20 (37.7) | 6 (17.0) |
| Unknown | 3 (5.7) | 0 (0.0) |
