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Table 3 Distribution (percentage) among 5-year survivors of acute lymphoblastic leukemia and controls by number of hospital contacts and days in hospital

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

  Chemotherapy only CRT TBI Relapse ALL survivors Controls p-value2
n = 104 n = 95 n = 14 n = 24 n = 213 n = 10,650
At least one hospital contact1 35.9 59.4 78.6 66.7 49.3 34.1 < 0.001
Total number of hospital contacts        
  1–2 25.2 24.0 50.0 33.3 28.2 26.6 < 0.001
  ≥3 10.7 35.4 28.6 33.3 21.1 7.6
Total number of days in hospital        
  1–7 days 24.3 26.0 50.0 25.0 26.8 25.7 < 0.001
  8–30 days 7.8 18.8 14.3 12.5 13.1 5.9
  > 30 days 3.9 14.6 14.3 29.2 9.4 2.5
  1. 1Hospital contacts from 5 years after the diagnosis of ALL, or the corresponding date for the controls, until the end of follow-up. In the case of a relapse, hospital contacts within the first five yeas after diagnosis of relapse were excluded, 2p-value for comparison between all survivors and controls. Abbreviations: CRT received cranial irradiation in addition to chemotherapy, TBI received total body irradiation in addition to chemotherapy, including three cases who, in addition, received cranial irradiation.