Skip to main content

Table 2 Characteristics of laboratory-confirmed influenza cases aged 60+ years included in the analysis, influenza seasons 2010/11-2012/13, Germany

From: Application of the screening method to monitor influenza vaccine effectiveness among the elderly in Germany

 

2010/11 n (%)

2011/12 n (%)

2012/13 n (%)

Total

1,174 (100)

767 (100)

5,217 (100)

Cases vaccinated

162 (14.0)

208 (27.1)

921 (17.7)

Influenza subtypes

   

   Influenza type A

774 (65.9)

537 (70.0)

3,069 (58.8)

   Influenza type B

251 (21.4)

97 (12.7)

1,267 (24.3)

   Influenza A/B1

137 (11.7)

89 (11.6)

806 (15.5)

   No data

12 (1.0)

44 (5.8)

75 (1.4)

Influenza strains

   

   A(H1N1)pdm

582 (49.6)

12 (1.6)

859 (16.5)

   A(H3N2)

1 (0.1)

118 (15.4)

168 (3.2)

   B

251 (21.4)

97 (12.7)

1267 (24.3)

   Not genotyped

137 (11.7)

89 (11.6)

806 (15.5)

   Missing data on strains

203 (17.3)

451 (58.8)

2117 (40.6)

Men (%)

589 (50.2)

306 (40.0)

2440 (46.8)

Age in years (mean ± SD)

67.2 (±6.9)

74.7 (±9.9)

71.2 (±8.9)

Age-group (years)

   

   60-69

797 (67.9)

263 (34.3)

2485 (47.6)

   70-79

307 (26.2)

267 (34.8)

1736 (33.3)

   ≥80

70 (6.0)

237 (30.9)

996 (19.1)

Hospitalization status

   

   Hospitalized

455 (38.8)

317 (41.5)

2060 (39.5)

   Not hospitalized

709 (60.4)

446 (58.5)

3087 (59.2)

  1. Data may not add up to 100% due to missing data.
  2. 1Reported as influenza, type A/B, not specified.