TABLE 5.
Space‐time clusters of imported COVID‐19 cases (IR) in the first and second waves of COVID‐19 in Hong Kong
| Cluster | Duration | Observed | Expected | Relative risk | p‐Value | No. LSBGs |
|---|---|---|---|---|---|---|
| 1 | March 18–April 13 | 48 | 1.55 | 34.25 | .00 | 30 |
| 2 | March 18–April 6 | 23 | 1.00 | 24.10 | .00 | 30 |
| 3 | March 16–April 11 | 15 | 0.45 | 34.04 | .00 | 11 |
| 4 | March 16–April 11 | 14 | 0.36 | 40.05 | .00 | 7 |
| 5 | March 14–April 8 | 18 | 1.23 | 15.19 | .00 | 30 |
| 6 | March 20–April 8 | 15 | 0.79 | 19.58 | .00 | 21 |
| 7 | March 13–April 4 | 17 | 1.30 | 13.52 | .00 | 27 |
| 8 | March 22–April 10 | 10 | 0.28 | 36.60 | .00 | 4 |
| 9 | March 20–April 10 | 14 | 0.98 | 14.71 | .00 | 26 |
| 10 | March 23–28 | 3 | 0.04 | 75 | .00 | 4 |