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Table 1 Characteristics of Swiss childhood cancer survivors overall and of those reporting chest wall abnormalities

From: Validation of questionnaire-reported chest wall abnormalities with a telephone interview in Swiss childhood cancer survivors

  Overall
N = 2382
(100%)
Survivors reporting chest wall abnormalities
N = 48
(2.0, 95%CI 1.5–2.7)
n %a n %b (95%CI)
Sex
 Female 1111 46.6% 16 1.4% (0.8–2.3)
 Male 1271 53.4% 32 2.5% (1.8–3.5)
Age at diagnosis (years)
 0–5 1108 46.5% 20 1.8% (1.2–2.8)
 6–10 521 21.9% 7 1.3% (0.6–2.8)
 11–15 540 22.7% 12 2.2% (1.3–3.9)
 16–20 213 8.9% 9 4.2% (2.2–7.9)
Median (IQR) age at study (years) 31.1 (24.6–38.2) 32.1 (25.8–38.1)
Year of diagnosis
 1976–1990 845 35.5% 18 2.1% (1.3–3.4)
 1991–2005 1537 64.5% 30 2.0% (1.4–2.8)
Diagnosis
 I: Leukemia 773 32.5% 5 0.6% (0.2–1.5)
 II: Lymphoma 428 17.9% 16 3.7% (2.3–6.0)
 III: CNS tumor 345 14.5% 13 3.8% (2.2–6.4)
 IV–XII: Other tumors 836 35.1% 14 1.7% (1.0–2.8)
Thoracic radiotherapy c
 No 2075 87.1% 31 1.5% (1.1–2.1)
 Yes 307 12.9% 17 5.5% (3.5–8.7)
Surgery to the chest d
 No 2290 96.1% 41 1.8% (1.3–2.4)
 Yes 92 3.9% 7 7.6% (3.7–15.2)
Any chemotherapy
 No 414 17.4% 6 1.4% (0.7–3.2)
 Yes 1968 82.6% 42 2.1% (1.6–2.9)
  1. Abbreviations: CI Confidence interval, N Number
  2. a Column percentages are given
  3. b Row percentages are given
  4. c Including the following radiation fields: total body irradiation, mantle field, thorax, lungs, mediastinum, or thoracic spine
  5. d Including surgery to clavicle, scapulae and ribs, tumor excision from soft tissue on thorax, muscles on thorax, spine of thorax, and tumor or lymph node biopsy on the chest wall