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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.