TABLE 4.

Cox regression multivariable analysis of independent variables affecting survival in patients with acute leukemia.

Variables	Hazard ratio (95% confidence interval)
Acute lymphoblastic leukemia
Hepatomegaly	4.7 (1.0 to 22.3)
Relapse	2.7 (0.7 to 10.9)
BM blast on day 29	1.9 (0.4 to 9.3)
WBC counts ≥ 50 × 109/L	1.7 (0.18 to 15.9)
Uric acid ≥ 6 (mg/dL)	1.9 (0.2 to 15.0)
LDH ≥ 500 (mg/dL)	2.4 (0.4 to 12.4)
Acute myeloid leukemia
ESR < 20 (mm/h)	1.1 (0.1 to 13.9)

Abbreviations: BM, bone marrow; LDH, lactic dehydrogenase; WBC, white blood cell.