Table 1.

General statistical information on patients included in the analyzed studies (age and gender distributions).

Diagnosis	Inclusion period	No. of patients	Male	Female	Age at diagnosis
ALL cohort	12/2010–01/2019	95 (3/98 excluded)	56 (58.9%)	39 (41.1%)	6.3 years (1.1–17.9)
Hodgkin’s disease	From 08/2013 (still open)	28 (2/30 excluded)	12 (42.9%)	16 (57.1%)	13.5 years (5.0–18.0)
Ewing sarcoma	05/2010–06/2019	23	11 (47.8%)	12 (52.2%)	11.9 years (3.0–18.1)
Wilms tumor	From 10/2010 (still open)	20	6 (30.0%)	14 (70.0%)	3.5 years (0.5–14.8)
Benign CNS glioma	From 04/2004 (still open)	16 (1/17 excluded)	7 (43.8%)	9 (56.2%)	3.6 years (0.4–11.5)
Langerhans cell histiocytosis	From 04/2001 (still open)	9	5 (55.6%)	4 (44.4%)	5.1 years (0.2–11.6)