Table 1
The weighted distribution of adverse events by the timing of occurrence and detection
| Timing of adverse event occurrence (O) and detection (D) | |||
|---|---|---|---|
| Weighted distribution (95% CI) of all study adverse events* | Before index admission | Index admission | After index admission |
| 48.9% (40.7% to 57.0%) | O D | ||
| 27.7% (19.9% to 37.0%) | O  | D | |
| 23.5% (18.1% to 29.9%) | O  | D | |
*Point estimates and CIs were weighted to account for the sampling frame.