| Type of patients | ILI (n = 11,659) |
| SARI (n = 6802) |
| ||||
| Analysis results | Positive influenza | Negative influenza | p-value | GOLD 95% | Influenza positive | Influenza negative | p-value | 95% GOLD |
| Effective (%) | 1273 (100) | 10,386 (100) |
|
| 522 (100) | 6280 (100) |
|
|
| Sex |
|
|
|
|
|
|
|
|
| Male | 647 (51) | 5065 (49) | 0.17 | 1.1 (1 - 1.2) | 280 (54) | 3203 (51) | 0.255 | 1.1 (0.9 - 1.3) |
| Female | 626 (49) | 5321 (51) |
| 1 | 242 (46) | 3077 (49) |
| 1 |
| Age |
|
|
|
|
|
|
|
|
| Median age | 4 (0 - 84) | 4 (0 - 98) |
|
| 4 (0 - 86) | 4 (0 - 97) |
|
|
| <2 years | 290 (23) | 2743 (26) | 0.055 | 1.7 (1 - 3.1) | 270 (52) | 3311 (53) | 0.290 | 1.4 (0.8 - 2.8) |
| 2 - 4 years | 292 (23) | 1950 (19) | 0.000 | 2.4 (1.4 - 44) | 117 (22) | 844 (13) | 0.003 | 2.4 (1.3 - 4.9) |
| 5 - 14 years old | 301 (24) | 1257 (12) | 0.000 | 3.1 (1.8 - 5.6) | 52 (10) | 425 (7) | 0.023 | 2.1 (1.1 - 4.5) |
| 15 - 39 years old | 249 (19) | 2472 (24) | 0.104 | 1.6 (0.9 - 2.9) | 36 (7) | 840 (14) | 0.361 | 0.47 (0.4 - 1.6) |
| 40 - 64 years old | 115 (9) | 1681 (16) | 0.451 | 1.1 (0.6 - 2.0) | 32 (6) | 638 (10) | 0.720 | 0.89 (0.4 - 1.9) |
| ≥65 years old | 15 (1) | 238 (2) |
| 1 | 12 (2) | 208 (3) |
| 1 |
| Unknown | 11 (1) | 45 (0) |
|
| 3 (1) | 14 (0) |
|
|
| Symptoms |
|
|
|
|
|
|
|
|
| Cough |
|
|
|
|
|
|
|
|
| Yes | 1238 (97) | 10,137 (97) | 0.376 | 1.6 (0.7 - 4.7) | 515 (98) | 6157 (98) | 0.474 | 0.68 (0.2 - 3.6) |
| No | 6 (1) | 78 (1) |
| 1 | 3 (1) | 25 (0) |
| 1 |
| Unknown | 29 (2) | 171 (2) |
|
| 4 (1) | 98 (2) |
|
|
| Fever |
|
|
|
|
|
|
|
|
| >38˚C | 1071 (84) | 8667 (83) | 0.000 | 1.6 (1.3 - 2.0) | 484 (93) | 5845 (93) | 0.178 | 1.5 (0.8 - 2.8) |
| <38˚C | 164 (13) | 1353 (13) |
| 1 | 13 (5) | 236 (4) |
| 1 |
| Unknown | 38 (3) | 366 (4) |
|
| 25 (2) | 199 (3) |
|
|
| Sore throat |
|
|
|
|
|
|
|
|
| Yes | 459 (36) | 4947 (48) | 0.000 | 0.7 (06 - 08) | 296 (57) | 3855 (61) | 0.093 | 0.8 (0.7 - 1.0) |
| No | 449 (35) | 3277 (32) |
| 1 | 135 (26) | 1458 (23) |
| 1 |
| Unknown | 365 (29) | 2162 (20) |
|
| 91 (17) | 967 (16) |
|
|
| Dyspnoea |
|
|
|
|
|
|
|
|
| Yes | 58 (5) | 586 (6) |
| 1 | 449 (86) | 5612 (90) | 0.68 | 0.9 (0.6 - 1.4) |
| No | 820 (64) | 7176 (69) | 0.343 | 1.2 (0.9 - 1.6) | 29 (6) | 334 (5) |
| 1 |
| Unknown | 395 (31) | 2624 (25) |
|
| 44 (8) | 334 (5) |
|
|
| Headache |
|
|
|
|
|
|
|
|
| Yes | 304 (24) | 2998 (29) |
| 1 | 58 (11) | 1074 (17) |
| 1 |
| No | 620 (49) | 5149 (50) | 0.021 | 1.2 (1.02 - 1.4) | 347 (67) | 4024 (64) | 0.011 | 1.6 (1.2 - 2.2) |
| Unknown | 349 (27) | 2239 (21) |
|
| 117 (22) | 1182 (19) |
|
|
| Common cold |
|
|
|
|
|
|
|
|
| Yes | 1218 (96) | 9843 (95) | 0.055 | 1.5 (1 - 2.4) | 489 (94) | 5587 (89) | 0.015 | 1.7 (11 - 33) |
| No | 24 (2) | 294 (3) |
| 1 | 16 (3) | 341 (5) |
| 1 |
| Unknown | 31 (2) | 249 (2) |
|
| 17 (3) | 352 (6) |
|
|