Table 2.

Efficacy evaluation of primary lesions in patients after induction chemotherapy

Item	CR	PR	SD	PD	Effective Rate
Control group (n=41)	1	30	8	2	31 (75.60)
Observation group (n=50)	2	40	8	0	42 (84.00%)
x2/Z	-1.130				0.999
P	0.259				0.317

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