Table 2.

Correlation between risk groups of CLL patients and cytogenetic abnormality

	Patients, No
Characteristics	No	Low risk	High risk	χ2	P-value
Del 13q14				7.210	0.007**
Yes	63	22	41
No	46	28	18
Del 13q14 single				3.941	0.047*
Yes	46	16	30
No	63	34	29
Del 11q22-23				0.854	0.355
Yes	12	4	8
No	97	46	51
Del 17p13				1.293	0.255
Yes	9	2	7
No	100	48	52

^*p < 0.05

^**p < 0.01