Table 2.
Results of Self-Controlled Case Series Analysis
| Risk Periods | Number of Events | Person-Years | Incidence Rate Ratioa (95% Confidence Interval) |
|---|---|---|---|
| Extension for the self-controlled case series model: event-dependent exposure | |||
| BNT162b2 (n = 529) | |||
| 0–13 days after first dose | 18 | 4.51 | 1.21 (.66–2.20) |
| 14–27 days after first dose | 8 | 2.74 | 1.18 (.49–2.83) |
| 0–13 days after second dose | 22 | 3.00 | 2.44 (1.32–4.50) |
| 14–27 days after second dose | 6 | 2.52 | 0.97 (.37–2.58) |
| Baseline | 475 | 201.58 | … |
a
Incidence rate ratio was determined using conditional Poisson regression and adjusted with seasonal effect.