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Table 1 Hospitalizations related to meningococcal infection (MI), meningococcal meningitis (MM) and meningococcemia (MC) by age group in Spain

From: Hospitalizations related to meningococcal infection in Spain from 1997 to 2018

Age (years)

Number of hospitalizations

Hospitalization rate (per 100,000) 95-CI

MI

MM

MC

MI

MM

MC

(0, 1)

2713

1437

1491

29.01 (27.92–30.10)

15.37 (14.58–16.16)

15.94 (15.13–16.75)

(0, 2)

4476

2237

2615

23.89 (23.19–14.59)

11.94 (11.44–12.43)

13.96 (13.42–14.49)

(0, 5)

7161

3491

4367

15.24 (14.89–15.6)

7.43 (7.19–7.68)

9.3 (9.02–9.57)

(5, 10)

1691

767

1099

3.58 (3.41–3.76)

1.63 (1.51–1.74)

2.7 (2.54–2.86)

(10, 15)

970

516

556

2.04 (1.91–2.17)

1.08 (0.99–1.18)

1.36 (1.25–1.47)

(15, 20)

1246

852

495

2.41 (2.28–2.55)

1.65 (1.54–1.76)

1.08 (0.98–1.17)

(20, 25)

642

433

246

1.05 (0.97–1.13)

0.71 (0.64–0.78)

0.44 (0.39–0.5)

(25, 30)

400

260

150

0.57 (0.51–0.62)

0.37 (0.32–0.41)

0.22 (0.19–0.26)

(30, 35)

298

172

123

0.39 (0.34–0.43)

0.22 (0.19–0.26)

0.18 (0.14–0.21)

(35, 40)

272

162

99

0.35 (0.31–0.39)

0.21 (0.17–0.24)

0.14 (0.11–0.16)

(40, 45)

262

187

70

0.35 (0.31–0.39)

0.25 (0.22–0.29)

0.11 (0.08–0.13)

(45, 50)

299

165

122

0.44 (0.39–0.49)

0.24 (0.21–0.28)

0.2 (0.17–0.24)

(50, 55)

326

196

106

0.53 (0.47–0.59)

0.32 (0.27–0.36)

0.18 (0.15–0.22)

(55, 60)

310

176

118

0.57 (0.51–0.63)

0.32 (0.28–0.37)

0.24 (0.2–0.29)

(60, 65)

326

178

107

0.67 (0.6–0.74)

0.36 (0.31–0.42)

0.25 (0.2–0.3)

(65, 70)

324

195

110

0.72 (0.64–0.79)

0.43 (0.37–0.49)

0.27 (0.21–0.32)

(70, 75)

344

184

125

0.86 (0.77–0.95)

0.46 (0.39–0.53)

0.35 (0.29–0.41)

(75, 80)

292

154

111

0.88 (0.78–0.98)

0.46 (0.39–0.54)

0.35 (0.28–0.42)

(80, 85)

255

101

98

1.05 (0.92–1.17)

0.41 (0.33–0.5)

0.43 (0.34–0.52)

(85, 120)

148

56

58

0.72 (0.61–0.84)

0.27 (0.2–0.35)

0.28 (0.2–0.36)

Total

15566

8245

8160

1.64 (1.62–1.67)

0.87 (0.85–0.89)

0.86 (0.84–0.88)