Table 4. Frequency of ploidy groups .... | American Society of Hematology

Table 4.

Frequency of ploidy groups

	Non-T ALL^4-150	T ALL^4-150	Current study	Heerema et al¹⁰	GFCH¹⁶	Raimondi et al¹⁷	GFCH¹⁸	Berger et al¹⁹	Kaneko et al²⁰	Gladstone et al²¹	Secker-Walker et al²²	Uckun et al²³
			2000	1998	1996	1988	1993	1990	1989	1998	1992	1989
Near-haploid	<1^4-151	<1	—	—	—	—	—	—	—	—	—	NR
Hypodiploid	7.5	4.3	4.5	2.4	2	3.5	7.1	6.8	6.1	63.3	—	3.8%
Pseudodiploid	38.1	58.3	35.3	47.3	45	65	44.6	59	66.7	20	68.4	46
47-50 chrom.	17.5	4.9	13	10.1	22	3.5	7.1	13.6	—	—	10.5	—
>50 chrom.	31.8	8	4	1.2	6^‡	1.8	5.4	2.3	—	6.6	—	3.8
Normal	4.8	24.5	43.2	39.1	24	28	39	25	27	10	21	46

	Non-T ALL^4-150	T ALL^4-150	Current study	Heerema et al¹⁰	GFCH¹⁶	Raimondi et al¹⁷	GFCH¹⁸	Berger et al¹⁹	Kaneko et al²⁰	Gladstone et al²¹	Secker-Walker et al²²	Uckun et al²³
			2000	1998	1996	1988	1993	1990	1989	1998	1992	1989
Near-haploid	<1^4-151	<1	—	—	—	—	—	—	—	—	—	NR
Hypodiploid	7.5	4.3	4.5	2.4	2	3.5	7.1	6.8	6.1	63.3	—	3.8%
Pseudodiploid	38.1	58.3	35.3	47.3	45	65	44.6	59	66.7	20	68.4	46
47-50 chrom.	17.5	4.9	13	10.1	22	3.5	7.1	13.6	—	—	10.5	—
>50 chrom.	31.8	8	4	1.2	6^‡	1.8	5.4	2.3	—	6.6	—	3.8
Normal	4.8	24.5	43.2	39.1	24	28	39	25	27	10	21	46

These numbers represent childhood ALL and were calculated from Pui et al.3

Percent of total karyotyped.

All were near-tetraploid.