Table 1 Patient characteristics (N =... | American Society of Hematology

Table 1

Patient characteristics (N = 126)

Characteristic	Category	N	%
Sex	Male	93	74
Sex	Female	33	26
Age	Median: 33 y (18-81 y)
	15-25 y	35	28
	26-55 y	72	59
	> 55 y	16	13
Initial diagnosis	T-ALL	107	85
Initial diagnosis	T-LBL	19	15
Phenotype* (N = 93)	Early	36	39
	Thymic	45	48
	Mature	10	11
	Biphenotypic†	2	2
Disease status at study entry	Primary refractory	13	10
	First relapse on chemotherapy	73	58
	Second relapse on chemotherapy	13	10
	Relapse after SCT	27	21
Type of involvement	Bone marrow only	83	66
	Extramedullary only	22	17
	Both	21	17
BM infiltration (N = 97)	Median: 70% (6-98)
Type of extramedullary involvement (N = 44)	Mediastinal tumor ± pleural effusion	24	19
	Pleural effusion only	4	3
	Lymph nodes	5	4
	Skin	4	3
	Mamma	3	2
	Other	3	2

Characteristic	Category	N	%
Sex	Male	93	74
Sex	Female	33	26
Age	Median: 33 y (18-81 y)
	15-25 y	35	28
	26-55 y	72	59
	> 55 y	16	13
Initial diagnosis	T-ALL	107	85
Initial diagnosis	T-LBL	19	15
Phenotype* (N = 93)	Early	36	39
	Thymic	45	48
	Mature	10	11
	Biphenotypic†	2	2
Disease status at study entry	Primary refractory	13	10
	First relapse on chemotherapy	73	58
	Second relapse on chemotherapy	13	10
	Relapse after SCT	27	21
Type of involvement	Bone marrow only	83	66
	Extramedullary only	22	17
	Both	21	17
BM infiltration (N = 97)	Median: 70% (6-98)
Type of extramedullary involvement (N = 44)	Mediastinal tumor ± pleural effusion	24	19
	Pleural effusion only	4	3
	Lymph nodes	5	4
	Skin	4	3
	Mamma	3	2
	Other	3	2

T-ALL only.

N = 1 T-ALL/AML; N = 1 T-/B-ALL.