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Table 6 Odds ratios for hospital contacts by clinical characteristics

From: Increased health care utilization by survivors of childhood lymphoblastic leukemia is confined to those treated with cranial or total body irradiation: a case cohort study

 

At least one hospital contact

Increased number of hospital contacts

Increased number of days in hospital

OR

95% CI

p-value

OR

95% CI

p-value

OR

95% CI

p-value

Study cohorts

         

  Controls

reference

        

  ALL survivors

2.5

1.5–4.3

<0.001

2.7

1.6–4.3

<0.001

3.0

1.8–4.8

<0.001

Gender

         

  Male

reference

        

  Female

1.3

1.1–1.7

0.007

1.3

1.3–1.5

<0.001

1.3

1.2–1.4

<0.001

Age at diagnosis

         

  <5 yrs

reference

        

  5-9 yrs

1.0

0.8–1.3

0.94

1.0

0.9–1.1

0.72

1.0

0.9–1.1

0.73

  10-17 yrs

0.9

0.6–1.2

0.40

0.9

0.8–1.0

0.02

0.9

0.8–1.0

0.03

Interaction terms

         

  Case-Female

0.8

0.5–1.5

0.55

0.9

0.5–1.6

0.76

0.9

0.5–1.5

0.56

  Case-age 5–9 yrs at diagnosis

0.8

0.4–1.6

0.62

0.8

0.5–1.5

0.52

0.8

0.4–1.4

0.34

  Case-age 10–17 yrs at diagnosis

0.5

0.2–1.2

0.15

0.5

0.2–1.1

0.10

0.4

0.2–1.0

0.05

  1. OR = odds ratio, CI = confidence interval.