Table 1 Average days to a high Stringency Index (SI), peak number of daily new cases from starting a response, or from first reported case
Initiation stage | Days from first case reported to the date of reaching a high SI level | Days from first case reported to the date of peak number of daily new case | Days from starting a response to the date of reaching a high SI level | Days from starting a response to the date of peak number of daily new cases | ||||
|---|---|---|---|---|---|---|---|---|
Mean (SD) | Median (Q1, Q3) | Mean (SD) | Median (Q1, Q3) | Mean (SD) | Median (Q1, Q3) | Mean (SD) | Median (Q1, Q3) | |
Earlier than January 13, 2020 | 48.1 (30.2) | 48.5 (25.0, 76.5) | 48.2 (32.8) | 58.0 (21.0, 66.0) | 84.6 (22.1) | 92.0 (77.0, 100) | 92.0 (15.1) | 96.0 (81.0, 100) |
Between January 13 and February 12, 2020 | 29.9 (20.3) | 25.0 (15.0, 48.0) | 47.7 (21.0) | 48.0 (34.0, 59.0) | 58.0 (16.3) | 57.5 (51.0, 65.0) | 77.9 (19.2) | 81.0 (66.0, 94.0) |
Between February 13 and March 11, 2020 | 22.0 (17.3) | 17.0 (13.0, 27.0) | 37.4 (18.9) | 36.0 (23.5, 49.0) | 26.7 (14.4) | 22.5 (16.5, 35.5) | 44.5 (14.9) | 45.0 (31.0, 58.5) |
After March 11, 2020 | 13.2 (10.4) | 9.5 (6.0, 16.0) | 29.1 (17.9) | 28.0 (17.0, 35.0) | 13.2 (7.1) | 13.0 (8.0, 16.0) | 29.7 (16.4) | 25.0 (16.0, 43.0) |
Overall | 26.0 (20.4) | 20.0 (12.0, 33.0) | 41.9 (21.8) | 41.5 (25.0, 57.0) | 43.6 (25.6) | 47.0 (18.0, 61.0) | 61.6 (27.0) | 61.5 (38.0, 84.0) |