Table 1 Demographic characteristics and comorbidities of patients with community-acquired or nosocomial influenza, Catalonia (Spain)
Variables | Hospital acquired (N = 96) | Community acquired (N = 1626) | Crude OR (95% CI) | P value |
|---|---|---|---|---|
Age | ||||
18–64 | 35 (36.5%) | 770 (47.4%) | Ref. | |
65–74 | 22 (22.9%) | 305 (18.8%) | 1.53 (0.88–2.66) | 0.13 |
> =75 | 39 (40.6%) | 551 (33.9%) | 1.42 (0.88–2.29) | 0.15 |
Sex | ||||
Female | 43 (44.8%) | 700 (43.1%) | 1.07 (0.70–1.62) | 0.75 |
Male | 53 (55.2%) | 926 (56.9%) | Ref. | |
COPD | ||||
Yes | 26 (27.1%) | 414 (25.5%) | 1.06 (0.68–1.70) | 0.79 |
No | 70 (72.9%) | 1212 (74.5%) | Ref. | |
Obesity | ||||
Yes | 14 (14.6%) | 168 (10.3%) | 1.29 (0.71–2.35) | 0.41 |
No | 82 (85.4%) | 1458 (89.7%) | Ref. | |
Diabetes | ||||
Yes | 34 (35.4%) | 396 (24.4%) | 1.66 (1.07–2.57) | 0.02 |
No | 62 (64.6%) | 1230 (75.6%) | Ref. | |
Chronic renal disease | ||||
Yes | 28 (29.2%) | 208 (12.8%) | 3.05 (1.89–4.92) | < 0.001 |
No | 68 (70.8%) | 1418 (87.2%) | Ref. | |
Immunodeficiency | ||||
Yes | 27 (28.1%) | 307 (18.9%) | 1.96 (1.21–3.17) | 0.01 |
No | 69 (71.9%) | 1319 (81.1%) | Ref. | |
Heart disease | ||||
Yes | 38 (39.6%) | 469 (28.8%) | 1.67 (1.09–2.57) | 0.02 |
No | 58 (60.4%) | 1157 (71.2%) | Ref. | |
Liver disease | ||||
Yes | 8 (8.3%) | 1034 (6.4%) | 1.57 (0.73–3.37) | 0.25 |
No | 88 (91.7%) | 1522 (93.6%) | Ref. | |
Virus type | ||||
A | 79 (82.3%) | 1401 (86.1%) | Ref. | |
B | 17 (17.7%) | 224 (13.8%) | 1.49 (0.86–2.59) | 0.15 |
C | 0 (0.0%) | 1 (0.1%) | – | – |
Seasonal influenza vaccination | ||||
Yes | 36 (37.5%) | 412 (25.6%) | 1.62 (1.05–2.52) | 0.03 |
No | 60 (62.5%) | 1198 (74.4%) | Ref. | |