Skip to main content

Table 1 Number of hospitalizations coded as due to influenza by age groups and epidemic season in Portuguese public hospitals between 2008/2009 and 2017/2018

From: Excess hospitalizations and mortality associated with seasonal influenza in Portugal, 2008–2018

Season

Age groups (in years)

0–4

5–18

19–49

50–64

65–74

 ≥ 75

 ≥ 65

All ages

2008/2009

117

36

59

44

49

95

144

400

2009/2010

617

429

1070

393

146

115

261

2770

2010/2011

158

57

232

165

68

81

149

761

2011/2012

128

26

77

49

67

134

201

481

2012/2013

122

56

194

187

86

112

198

757

2013/2014

180

43

233

209

108

169

277

942

2014/2015

154

69

159

152

155

262

417

951

2015/2016

340

89

299

381

240

273

513

1622

2016/2017

170

55

148

261

322

982

1304

1938

2017/2018

333

130

256

477

491

1320

1811

3007

9-year meana

189

62

184

214

176

381

557

1207

3-year meanb

281

91

234

373

351

858

1209

2189

  1. aIncludes the following seasons: 2008/2009, 2010/2011, 2011/2012, 2012/2013, 2013/2014, 2014/2015, 2015/2016, 2016/2017, 2017/2018. Excludes season 2009/10, since it was affected by the 2009 influenza A (H1N1) pandemic
  2. bIncludes the most recent seasons, namely 2015/2016, 2016/2017, 2017/2018