Table 3.
Increase of COVID-19 cases per 100,000 inhabitants in the Netherlands
| Daya | Cumulative Casesb | Absolute rate differencec (95% CI) |
Rate ratioc (95% CI) |
|
|---|---|---|---|---|
| Non-carnival region | Carnival region | |||
| 2020/02/23d | – | – | – | – |
| 2020/02/24d | – | – | – | – |
| 2020/02/25d | – | – | – | – |
| 2020/02/26 | – | – | – | – |
| 2020/02/27 | 0 | 0.02 | 0.02 (−0.01–0.11) | 13.18 (0.13-Inf) |
| 2020/02/28 | 0.01 | 0.02 | 0.01 (−0.03–0.10) | 2.53 (0.05–134.09) |
| 2020/02/29 | 0.02 | 0.04 | 0.02 (−0.04–0.12) | 1.74 (0.17–12.81) |
| 2020/03/01 | 0.03 | 0.06 | 0.03 (−0.04–0.15) | 1.93 (0.31–10.18) |
| 2020/03/02 | 0.03 | 0.06 | 0.03 (−0.04–0.15) | 1.93 (0.31–10.18) |
| 2020/03/03 | 0.09 | 0.25 | 0.16 (0.02–0.34) | 2.76 (1.15–6.71) |
| 2020/03/04 | 0.16 | 0.35 | 0.19 (0.02–0.40) | 2.16 (1.08–4.26) |
| 2020/03/05 | 0.40 | 0.55 | 0.15 (−0.08–0.42) | 1.37 (0.83–2.21) |
| 2020/03/06 | 0.62 | 0.96 | 0.34 (0.04–0.68) | 1.55 (1.06–2.24) |
| 2020/03/07 | 0.86 | 1.57 | 0.72 (0.34–1.14) | 1.84 (1.36–2.48) |
| 2020/03/08 | 1.07 | 2.51 | 1.44 (0.97–1.96) | 2.34 (1.82–3.01) |
| 2020/03/09 | 1.16 | 3.56 | 2.40 (1.85–2.99) | 3.06 (2.45–3.84) |
| 2020/03/10 | 1.40 | 4.21 | 2.82 (2.22–3.46) | 3.02 (2.46–3.71) |
| 2020/03/11 | 1.69 | 5.83 | 4.13 (3.43–4.88) | 3.44 (2.87–4.12) |
| 2020/03/12 | 2.11 | 7.03 | 4.93 (4.15–5.75) | 3.34 (2.84–3.93) |
| 2020/03/13 | 2.60 | 9.28 | 6.69 (5.80–7.62) | 3.57 (3.09–4.13) |
| 2020/03/14 | 3.07 | 11.08 | 8.02 (7.05–9.03) | 3.61 (3.17–4.13) |
| 2020/03/15 | 3.67 | 12.70 | 9.03 (7.98–10.11) | 3.46 (3.06–3.91) |
Abbreviation: CI Confidence interval
a Only the first 3 weeks after the first date of the carnival in 2020 are presented in this Table. Full presentation of all the available data can be found in Table S5
b Cumulative cases of COVID-19 cases per 100,000 inhabitants
c Compared with non-carnival region
d Carnival period