Table 5.
Characteristics of subjects hospitalized with laboratory-confirmed influenza
| Characteristic | Valencia, Spain | St. Petersburg, Russia | Moscow, Russia | Turkey | France |
|---|---|---|---|---|---|
|
Age |
N = 236 |
N = 652 |
N = 471 |
N = 36 |
N = 150 |
| <18 y |
50 (21.2) |
375 (57.5) |
79 (16.8) |
9 (25.0) |
- |
| 18 - 64 y |
53 (22.5) |
259 (39.7) |
374 (79.4) |
18 (50.0) |
67 (44.7) |
|
≥65 y |
133 (56.4) |
18 (2.8) |
18 (3.8) |
9 (25.0) |
83 (55.3) |
|
Sex |
N = 236 |
N = 652 |
N = 471 |
N = 36 |
N = 150 |
| Male |
124 (52.5) |
347 (53.2) |
151 (32.1) |
22 (61.1) |
69 (46.0) |
| Female |
112 (47.5) |
305 (46.8) |
320 (67.9) |
14 (38.9) |
81 (54.0) |
| Pregnanta |
1 (0.9) |
1 (0.3) |
242 (75.6) |
1 (7.1) |
4 (4.9) |
|
Number of comorbidities |
N = 236 |
N = 652 |
N = 471 |
N = 36 |
N = 150 |
| 0 |
97 (41.1) |
587 (90.0) |
383 (81.3) |
8 (22.2) |
36 (24.0) |
| 1 |
69 (29.2) |
46 (7.1) |
70 (14.9) |
14 (38.9) |
52 (34.7) |
| ≥2 |
70 (29.7) |
19 (2.9) |
16 (3.4) |
14 (38.9) |
62 (41.3) |
|
Chronic conditions |
N = 236 |
N = 652 |
N = 471 |
N = 36 |
N = 150 |
| Cardiovascular disease |
54 (22.9) |
48 (7.4) |
40 (8.5) |
15 (41.7) |
49 (32.7) |
| Respiratory disease |
77 (32.7) |
17 (2.6) |
23 (4.9) |
10 (27.8) |
61 (40.7) |
| Diabetes |
56 (23.7) |
12 (1.8) |
4 (0.9) |
7 (19.4) |
33 (22.2) |
| Immunodeficiency |
7 (3.0) |
0 (0.0) |
0 (0.0) |
7 (19.4) |
14 (9.3) |
| Renal impairment |
18 (7.6) |
1 (0.2) |
18 (3.8) |
5 (13.9) |
18 (12.0) |
| Rheumatologic disease |
4 (1.7) |
0 (0.0) |
0 (0.0) |
3 (8.3) |
17 (11.3) |
| Neuromuscular disease |
12 (5.1) |
0 (0.0) |
4 (0.9) |
5 (13.9) |
6 (4.0) |
| Cirrhosis |
9 (3.8) |
3 (0.5) |
10 (2.1) |
2 (5.6) |
1 (0.7) |
| Neoplasm |
5 (2.1) |
4 (0.6) |
6 (1.3) |
8 (22.2) |
18 (12.0) |
|
Vaccinated 2012-2013 |
N = 236 |
N = 652 |
N = 471 |
N = 36 |
N = 150 |
| Yes |
82 (34.8) |
11 (1.7) |
6 (1.3) |
5 (13.9) |
50 (33.3) |
| No |
154 (65.3) |
641 (98.3) |
465 (98.7) |
31 (86.1) |
100 (66.7) |
|
Outcome |
N = 236 |
N = 652 |
N = 471 |
N = 36 |
N = 150 |
| ICU admission |
4 (1.7) |
3 (0.5) |
2 (0.4) |
11 (30.6) |
- |
| Death | 5 (2.1) | 0 (0.0) | 0 (0.0) | 7 (19.4) | 4 (2.7) |
All values are number of subjects with percent in brackets. No data were missing. -, not reported.
aCalculated relative to females.