| 1977 | total observations | |||
| 0 | exclusions | |||
| 1977 | observations remaining, representing | |||
| 1977 | subjects | |||
| 1141 | failures in single-failure-per-subject data | |||
| 3796.057 | total analysis time at risk and under observation | |||
| at risk from | t | = | 0 | |
| earliest observed entry | t | = | 0 | |
| last observed exit | t | = | 8.454483 | |