Table 2.

Subgroup analysis for OS from diagnosis in patients with acquired del(17p) and controls based on prognostic factors at diagnosis and therapy

Subgroup	No. of patients with available data in the subgroups	Acquired del(17p) (n = 76)	Controls (n = 152)	P*
Age, y
<65	48 vs 101	72.3 (49.6-99.0)	106.1 (98.5-127.8)	.002
≥65	28 vs 51	58.2 (44.1-71.3)	105.9 (68.6-138.8)	<.001
Translocation
High risk	14 vs 14	56.8 (24.0-119.0)	98.3 (60.5-111.8)	.419
No high risk	62 vs 138	68.9 (50.8-74.8)	111.7 (103.4-129.3)	<.001
ISS
I/II	42 vs 110	71.3 (50.8-75.4)	106.1 (101.6-129.3)	<.001
III	14 vs 26	44.4 (13.8-103.1)	104.8 (60.7-111.8)	.036
LDH
Low	44 vs 116	63.8 (44.6-99.0)	105.9 (98.5-119.4)	.004
High	7 vs 5	55.5 (23.2-86.4)	100.9 (80.6-NR)	.011
PC proliferative rate
Low	31 vs 84	74.6 (58.3-99.0)	106.1 (98.3-137.8)	.025
High	14 vs 24	42.2 (24.0-103.1)	103.4 (67.1-NR)	.031
PI-containing induction	21 vs 37	34.5 (24.0-50.8)	104.8 (70.2-137.8)	<.001
Others	55 vs 115	74.6 (63.8-96.5)	106.1 (98.5-127.8)	.003

NR, not reached.

^*P for log-rank test for Kaplan-Meier analysis.