|  | ED provisional diagnosis of influenza | Laboratory-notified influenza infection | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 |  | Influenza season (May-Sep) | Rest of year | Total | Influenza season (May-Sep) | Rest of year | Total | ||||||
 |  | No. | % | No. | % | No. | % | No. | % | No. | % | No. | % |
Age group | 0–4 yrs | 1108 | 14% | 567 | 14% | 1675 | 14% | 1298 | 40% | 90 | 7% | 1388 | 31% |
 | 5–9 yrs | 526 | 7% | 162 | 4% | 688 | 6% | 210 | 6% | 33 | 3% | 243 | 5% |
 | 10–14 yrs | 487 | 6% | 166 | 4% | 653 | 5% | 162 | 5% | 41 | 3% | 203 | 4% |
 | 15–19 yrs | 825 | 11% | 437 | 10% | 1262 | 11% | 118 | 4% | 60 | 5% | 178 | 4% |
 | 20–24 yrs | 930 | 12% | 553 | 13% | 1483 | 12% | 102 | 3% | 105 | 8% | 207 | 5% |
 | 25–29 yrs | 710 | 9% | 489 | 12% | 1199 | 10% | 108 | 3% | 97 | 8% | 205 | 5% |
 | 30–34 yrs | 705 | 9% | 400 | 10% | 1105 | 9% | 128 | 4% | 108 | 8% | 236 | 5% |
 | 35–39 yrs | 558 | 7% | 302 | 7% | 860 | 7% | 118 | 4% | 93 | 7% | 211 | 5% |
 | 40–44 yrs | 435 | 6% | 281 | 7% | 716 | 6% | 116 | 4% | 79 | 6% | 195 | 4% |
 | 45–49 yrs | 374 | 5% | 182 | 4% | 556 | 5% | 98 | 3% | 71 | 6% | 169 | 4% |
 | 50–54 yrs | 283 | 4% | 159 | 4% | 442 | 4% | 94 | 3% | 78 | 6% | 172 | 4% |
 | 55–59 yrs | 215 | 3% | 111 | 3% | 326 | 3% | 98 | 3% | 79 | 6% | 177 | 4% |
 | 60–64 yrs | 143 | 2% | 95 | 2% | 238 | 2% | 118 | 4% | 73 | 6% | 191 | 4% |
 | 65–69 yrs | 122 | 2% | 74 | 2% | 196 | 2% | 112 | 3% | 74 | 6% | 186 | 4% |
 | 70–74 yrs | 126 | 2% | 79 | 2% | 205 | 2% | 101 | 3% | 70 | 5% | 171 | 4% |
 | 75–79 yrs | 93 | 1% | 41 | 1% | 134 | 1% | 94 | 3% | 57 | 4% | 151 | 3% |
 | 80–84 yrs | 84 | 1% | 34 | 1% | 118 | 1% | 99 | 3% | 34 | 3% | 133 | 3% |
 | 85+ yrs | 76 | 1% | 34 | 1% | 110 | 1% | 101 | 3% | 32 | 3% | 133 | 3% |
 | Unknown | 0 | 0% | 1 | 0% | 1 | 0% | 0 | 0% | 1 | 0% | 1 | 0% |
Sex | Male | 3767 | 48% | 2063 | 50% | 5830 | 49% | 1671 | 51% | 569 | 45% | 2240 | 49% |
 | Female | 4032 | 52% | 2104 | 50% | 6136 | 51% | 1601 | 49% | 705 | 55% | 2306 | 51% |
Admission status | Admitted | 434 | 6% | 193 | 5% | 627 | 5% | N/A | N/A | N/A | N/A | N/A | N/A |
 | Not Admitted | 7360 | 94% | 3966 | 95% | 11326 | 95% | N/A | N/A | N/A | N/A | N/A | N/A |
Influenza type | A | N/A | N/A | N/A | N/A | N/A | N/A | 2635 | 80% | 974 | 76% | 3609 | 79% |
 | B | N/A | N/A | N/A | N/A | N/A | N/A | 534 | 16% | 235 | 18% | 769 | 17% |
 | Both A & B | N/A | N/A | N/A | N/A | N/A | N/A | 43 | 1% | 47 | 4% | 90 | 2% |
 | Unspecified | N/A | N/A | N/A | N/A | N/A | N/A | 63 | 2% | 19 | 1% | 82 | 2% |
Area of residence | Major cities | 4094 | 52% | 2209 | 53% | 6303 | 53% | 2495 | 76% | 985 | 77% | 3480 | 76% |
 | Inner regional | 2452 | 31% | 1261 | 30% | 3713 | 31% | 517 | 16% | 184 | 14% | 701 | 15% |
 | Outer regional | 990 | 13% | 546 | 13% | 1536 | 13% | 216 | 7% | 83 | 7% | 299 | 7% |
 | Remote | 205 | 3% | 81 | 2% | 286 | 2% | 24 | 1% | 5 | 0% | 29 | 1% |
Total | Â | 7800 | 100% | 4167 | 100% | 11967 | 100% | 3275 | 100% | 1275 | 100% | 4550 | 100% |