Table 2.
Patients’ characteristics by influenza status, 2012–2014
| 2012 | 2013 | 2014 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Influenza status | Influenza status | Influenza status | |||||||
| Negative | Positive | P | Negative | Positive | P | Negative | Positive | P | |
| Total | 2221 (60) | 1462 (40) | 1601 (78) | 441 (22) | 2183 (71) | 891 (29) | |||
| Network | |||||||||
| ASPREN | 949 (62) | 590 (38) | 845 (78) | 239 (22) | 1164 (72) | 445 (28) | |||
| VicSPIN | 419 (61) | 265 (39) | 234 (75) | 80 (25) | 307 (62) | 190 (38) | |||
| SPNWA | 853 (58) | 607 (42) | 0·2 | 522 (81) | 122 (19) | 0·06 | 712 (74) | 256 (26) | <0·01 |
| Gender | |||||||||
| Female | 1154 (62) | 720 (38) | 888 (80) | 228 (20) | 1172 (72) | 457 (28) | |||
| Male | 1056 (59) | 730 (41) | 0·1 | 709 (77) | 211 (23) | 0·2 | 1008 (70) | 433 (30) | 0·2 |
| Age group, years | |||||||||
| <5 | 266 (69) | 121 (31) | 124 (87) | 19 (13) | 208 (79) | 54 (21) | |||
| 5–19 | 277 (42) | 389 (58) | 199 (67) | 97 (33) | 288 (63) | 171 (37) | |||
| 18–44 | 901 (62) | 544 (38) | 654 (77) | 194 (23) | 893 (71) | 367 (29) | |||
| 45–64 | 553 (66) | 281 (34) | 439 (80) | 107 (20) | 554 (71) | 230 (29) | |||
| ⩾65 | 224 (64) | 127 (36) | <0·01 | 185 (89) | 24 (11) | <0·01 | 240 (78) | 69 (22) | <0·01 |
| Vaccination status | |||||||||
| Unvaccinated | 1645 (58) | 1208 (42) | 1068 (74) | 372 (26) | 1561 (69) | 707 (31) | |||
| Vaccinated | 576 (69) | 254 (31) | <0·01 | 533 (89) | 69 (11) | <0·01 | 622 (77) | 184 (23) | <0·01 |
ASPREN, Australian Sentinel Practices Research Network; VicSPIN, Victoria Sentinel Practices Network; SPNWA, Sentinel Practitioners Network of Western Australia; Values given are n (%).