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Table 1 Number of children with risk conditions among children hospitalized with influenza and in the general child population

From: Risk conditions in children hospitalized with influenza in Norway, 2017–2019

Risk group

Proportion (number) of hospitalized influenza patients with risk condition

Proportion (number) of children in the general population with risk condition

 

2017–18 season

2018–19 season

2017–18 season

Population: 1129007

2018–19 season

Population: 1122508

Lung diseasea

12.1% (68/562)

13.5% (61/451)

3.4% (37,980/1129007)

3.3% (36,618/1122508)

Asthmab

6.1% (34/562)

4.9% (22/451)

2.2% (24,615/1129007)

2.1% (23,466/1122508)

Heart conditions

2.1% (12/562)

0.3% (3272/1129007)

0.3% (3295/1122508)

Immunocompromised

5.5% (31/562)

4.2% (19/451)

0.3% (3617/1129007)

0.3% (3630/1122508)

Neurological diseasec

7.5% (42/562)

5.3% (24/451)

0.8% (8967/1129007)

0.8% (8995/1122508)

Epilepsy

5.7% (32/562)

4.4% (20/451)

0.5% (5643/1129007)

0.5% (5664/1122508)

Diabetes Mellitus 1

0.3% (2980/1129007)

0.3% (3052/1122508)

Any risk conditiond

24.6% (138/562)

26.2% (118/451)

5.1% (57,237/1129007)

5.0% (56,125/1122508)

  1. aIncluding asthma diagnoses in primary care and other lung conditions from specialist care
  2. bAsthma diagnoses from primary care registry only
  3. cIncluding epilepsy
  4. dIncluding all diagnostic groups, also groups with numbers < 5 in individual groups