Table 2. Estimated rates of absolute excess pandemic deaths, by pandemic wave, age group, and cause of death, Concepción, Chile, 1918–20* .
| Cause of death |
Age group, no. excess deaths/10,000 population |
||||
| <20 y |
20–29 y |
30–49 y |
>50 y |
All ages |
|
| Respiratory | |||||
| Jul 1918–Sep 1918 | 7.8 | 0.2 | 0.1 | 5.5 | 3.9 |
| Nov 1918–Mar-1919 | 3.3 | 4.6 | 13.7 | 13.8 | 6.9 |
| Aug 1919–Mar 1920 | 53.9 | 8.9 | 27.1 | 28 | 34.1 |
| Total pandemic period |
65.0 |
13.7 |
40.9 |
47.3 |
44.9 |
| All-cause | |||||
| Jul 1918–Sep 1918 | 6.8 | 7.1 | 0.7 | 12.5 | 5.6 |
| Nov 1918–Mar-1919 | 2.4 | 9.8 | 17.0 | 12.6 | 6.0 |
| Aug 1919–Mar 1920 | 73.0 | 25.5 | 58.8 | 116.8 | 64.2 |
| Total pandemic period | 82.2 | 42.4 | 76.5 | 141.9 | 75.8 |
*Estimates of excess deaths were based on a seasonal regression model applied to weekly respiratory and all-cause mortality.