Table 1.
Mean influenza-associated mortality rates (95% confidence interval) per 100 000 person-years for seven baseline countries/regions, 2002–2008
| Country | Respiratory | Circulatory | Respiratory and circulatory | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| <65 | 65–74 | ≥75 | <65 | 65–74 | ≥75 | <65 | 65–74 | ≥75 | All | |
| Argentina | 2·4 (1·7–3·2) | 31·6 (20·4–43·0) | 168 (112·8–224·6) | 1·5 (0·3–3·0) | 38·9 (18·8–61·4) | 217·9 (125·7–311·9) | 3·9 (2·0–6·2) | 70·5 (39·2–104·4) | 385·9 (238·5–536·5) | 24·8 (14·7–35·6) |
| South Brazil | 1 (0·2–2·5) | 15·9 (3·9–17·4) | 70 (15·0–187·5) | 1·1 (0·2–3·0) | 22·3 (5·0–62·9) | 91·4 (19·5–257·4) | 2·1 (0·4–5·5) | 38·2 (8·9–102·3) | 161·4 (34·5–444·9) | 8·0 (2·4–14·5) |
| Chile | 0·5 (0·0–1·4) | 17·4 (2·8–40·2) | 93·9 (35·2–164·4) | 0·5 (0·1–1·1) | 14·5 (5·4–26·2) | 100·8 (59·6–143·8) | 1 (0·2–2·5) | 31·9 (8·2–66·4) | 194·7 (94·8–308·3) | 8·9 (3·6–15·6) |
| Mexico | 1·3 (0·5–2·1) | 12·9 (2·8–30·4) | 101·7 (41·7–170·2) | 1·5 (0·7–2·2) | 20·4 (8·9–32·5) | 78·4 (40·0–120·5) | 2·8 (1·3–4·3) | 33·3 (11·7–62·9) | 180·1 (81·7–290·7) | 7·9 (3·4–13·0) |
| Paraguay | 0·9 (0·2–2·1) | 11·6 (2·2–30·5) | 65·1 (24·1–131·7) | n.d. | n.d. | n.d. | n.d. | n.d. | n.d. | n.d. |
| Uruguay | 1·5 (0·1–4·8) | 40·6 (7·6–95·5) | 196·9 (58·7–351·4) | 2·4 (0·6–4·5) | 29·3 (9·3–54·1) | 172·1 (96·4–253·0) | 3·9 (0·7–9·3) | 69·9 (16·9–149·6) | 369 (155·1–604·4) | 31·6 (11·5–56·9) |
| United States | 0·7 (0·5–1·0) | 10·8 (8·9–15·6) | 52 (47·4–62·1) | 0·6 (0·4–1·2) | 8·2 (6·0–16·0) | 59·7 (51·8–77·9) | 1·3 (0·9–2·2) | 19 (14·9–31·6) | 111·7 (99·3–140·1) | 9·1 (7·8–12·4) |
n.d., not determined.