Table 2 Complication among patients with influenza during the follow-up period
Hospitalized patients | Non-hospitalized (N = 16,784) | |||||
|---|---|---|---|---|---|---|
All hospitalized (N = 8474) | High-riska (N = 8127) | General wardb (N = 5129) | ICUc (N = 2547) | MVd (N = 961) | ||
Complications, n (%) | ||||||
Acute kidney failure | 2212 (26.1%) | 2165 (26.6%) | 1075 (21.0%) | 916 (36.0%) | 439 (45.7%) | 155 (0.9%) |
Sinusitis | 378 (4.5%) | 350 (4.3%) | 245 (4.8%) | 103 (4.0%) | 37 (3.9%) | 1400 (8.3%) |
Encephalomyelitis | 11 (0.1%) | 9 (0.1%) | 6 (0.1%) | 1 (0.0%) | 3 (0.3%) | 4 (0.0%) |
Guillain–Barré syndrome | 458 (5.4%) | 445 (5.5%) | 268 (5.2%) | 153 (6.0%) | 48 (5.0%) | 171 (1.0%) |
Ischemic heart disease | 3625 (42.8%) | 3609 (44.4%) | 2027 (39.5%) | 1221 (47.9%) | 485 (50.5%) | 2273 (13.5%) |
Kidney failure | 2327 (27.5%) | 2278 (28.0%) | 1143 (22.3%) | 955 (37.5%) | 451 (46.9%) | 221 (1.3%) |
Acute myocarditis | 5 (0.1%) | 5 (0.1%) | 3 (0.1%) | 2 (0.1%) | 0 (0.0%) | 1 (0.0%) |
Myositis | 325 (3.8%) | 300 (3.7%) | 199 (3.9%) | 94 (3.7%) | 39 (4.1%) | 599 (3.6%) |
Pneumonia | 4977 (58.7%) | 4796 (59.0%) | 2805 (54.7%) | 1742 (68.4%) | 775 (80.6%) | 1647 (9.8%) |
Respiratory failure | 2552 (30.1%) | 2460 (30.3%) | 909 (17.7%) | 1344 (52.8%) | 864 (89.9%) | 66 (0.4%) |
Rhabdomyolysis | 163 (1.9%) | 157 (1.9%) | 81 (1.6%) | 63 (2.5%) | 23 (2.4%) | 14 (0.1%) |
Sepsis | 1279 (15.1%) | 1209 (14.9%) | 682 (13.3%) | 486 (19.1%) | 174 (18.1%) | 53 (0.3%) |
Stroke | 574 (6.8%) | 570 (7.0%) | 294 (5.7%) | 229 (9.0%) | 73 (7.6%) | 227 (1.4%) |
Otitis | 80 (0.9%) | 76 (0.9%) | 56 (1.1%) | 16 (0.6%) | 5 (0.5%) | 316 (1.9%) |
Upper and lower respiratory tract infection | 5328 (62.9%) | 5111 (62.9%) | 3124 (60.9%) | 1750 (68.7%) | 724 (75.3%) | 6055 (36.1%) |