Table 4.

Overall response evaluation of patients after induction chemotherapy

Item	CR	PR	SD	PD	Effective Rate
Control group (n=41)	0	31	8	2	31 (75.60)
Observation group (n=50)	1	44	5	0	45 (90.00)
x2/Z	-2.026				3.389
P	0.043				0.065

Note: Complete remission (CR), partial remission (PR), stable disease (SD), progressive disease (PD).