Table 4. Category Variables in... | American Society of Hematology

Table 4.

Category Variables in Responding and Nonresponding Patients

Variable	Favorable Group	Response Rate (%)	Unfavorable Group	Response Rate (%)	P Value
Sex (M/F)^*	Female	38	Male	35	.93
Karyotype (N/A)^3-151	A	41	N	38	.81
Pretreatment transfusions (yes/no)	no	53.3	yes	28.6	.09
Pretreatment transfusions U/month	<2	50	≥2	21.7	.04
Serum epo <500 U/L or ≥500 U/L	<500	48.3	≥500	15.8	.02
Serum epo <100 U/L or ≥100 U/L	<100	50	≥100	29.4	.18

Variable	Favorable Group	Response Rate (%)	Unfavorable Group	Response Rate (%)	P Value
Sex (M/F)^*	Female	38	Male	35	.93
Karyotype (N/A)^3-151	A	41	N	38	.81
Pretreatment transfusions (yes/no)	no	53.3	yes	28.6	.09
Pretreatment transfusions U/month	<2	50	≥2	21.7	.04
Serum epo <500 U/L or ≥500 U/L	<500	48.3	≥500	15.8	.02
Serum epo <100 U/L or ≥100 U/L	<100	50	≥100	29.4	.18

*Male/female.

Normal karyotype/abnormal karyotype.