Table 1. Average annual estimated rate/100 000 population and number of influenza-attributable ED visits, by clinical category and age, NSW, 2010 through 2014.
| Clinical category | Age group (years) | Rate | (99.9% CI) | Number | (99.9% CI) |
|---|---|---|---|---|---|
| Respiratory | 0–4 | 187.8 | (111.9 to 263.7) | 902 | (537 to 1 266) |
| 5–14 | 106.9 | (71.2 to 142.6) | 976 | (651 to 1 301) | |
| 15–49 | 80.7 | (72.6 to 88.9) | 2845 | (2 558 to 3 132) | |
| 50–64 | 95.0 | (80.7 to 109.3) | 1275 | (1 085 to 1 465) | |
| 65–84 | 178.6 | (160.1 to 197.1) | 1724 | (1 544 to 1903) | |
| ≥ 85 | 208.6 | (115.1 to 302.0) | 335 | (200 to 470) | |
| All ages | 120.6 | (102.3 to 138.8) | 8887 | (7 548 to 10 227) | |
| Infection | 0–4 | 361.0 | (291.2 to 430.8) | 1740 | (1 405 to 2076) |
| 5–14 | 144.1 | (123.3 to 165.0) | 1304 | (1 117 to 1 492) | |
| 15–49 | 57.9 | (51.2 to 64.6) | 2035 | (1 800 to 2 269) | |
| 50–64 | 24.8 | (20.1 to 29.6) | 336 | (272 to 401) | |
| 65–84 | 25.6 | (19.7 to 31.6) | 248 | (191 to 305) | |
| ≥ 85 | 45.5 | (25.2 to 65.8) | 68 | (38 to 99) | |
| All ages | 79.7 | (70.6 to 88.9) | 5856 | (5 192 to 6 519) | |
| Cardiovascular | 0–4 | -3.4 | (−5.8 to −0.9) | -16 | (−28 to −4) |
| 5–14 | 6.3 | (2.8 to 9.7) | 57 | (26 to 89) | |
| 15–49 | 5.7 | (1.9 to 9.6) | 203 | (67 to 339) | |
| 50–64 | 0.0 | (0.0 to 0.0) | 0 | (0 to 0) | |
| 65–84 | 16.7 | (0.2 to 33.2) | 152 | (2 to 301) | |
| ≥ 85 | 17.0 | (−63.3 to 97.3) | 28 | (−82 to 138) | |
| All ages | 14.0 | (6.8 to 21.3) | 1033 | (499 to 1 567) | |
| All-cause | 0–4 | 1013.9 | (692.1 to 1 335.8) | 4856 | (3 315 to 6 397) |
| 5–14 | 455.5 | (311.7 to 599.3) | 4115 | (2 820 to 5 410) | |
| 15–49 | 175.3 | (102.8 to 247.7) | 6174 | (3 625 to 8 724) | |
| 50–64 | 49.3 | (15.7 to 82.9) | 668 | (213 to 1 123) | |
| 65–84 | 194.3 | (125.0 to 263.6) | 1870 | (1 199 to 2 540) | |
| ≥ 85 | 506.9 | (318.4 to 695.5) | 761 | (475 to 1 047) | |
| All ages | 309.0 | (208.0 to 410.1) | 22 619 | (15 268 to 29 969) |
Notes: Non-statistically significant annual values were included in averages as zero, with zero standard error. CI = confidence interval. Statistically significant positive results are shown in bold. Statistically significant negative results are italicized.