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Table 1 Age on admission and length of stay in children under two years of age hospitalised for RSV bronchiolitis in Akershus, Norway, February 1993 through January 2000

From: Hospitalisations for respiratory syncytial virus bronchiolitis in Akershus, Norway, 1993–2000: a population-based retrospective study

Risk groups

Children (no.)

Adm (no.)

Median agea

P-value (age)

Median stayb

P-value (stay)

All children

764

822

6.0

 

4.0

 

Prematurec

58

64

8.0

NSe

8.0

<0.001e

Corrected aged

58

64

5.4

NSe

  

Trisomy 21

7

8

9.0

NSe

7.5

<0.001e

CHD*

12

13

7.0

NSe

6.0

NSe

All low-risk

687

737

6.0

 

4.0

 

All high-risk

77

85

8.0

0.045e

8.0

<0.001e

Corrected aged

77

85

5.5

NSe

  
  1. aAge in months
  2. bDays including admission day
  3. cBorn at <37 weeks of gestational age
  4. dCorrected for weeks of prematurity
  5. eVersus low-risk children