Subject's choice of treatment with physician's advice. Subjects preselected their preference of supportive care (including IV fluids, nutrition, and antibiotics) or cytarabine. (These represent one intervention.)

Patient's choice with physician's advice of either supportive care (IV fluids, nutrition, and antibiotics as needed) or cytarabine 20 mg/m^2 subcutaneously once daily for the first 10 consecutive days of each 28 day cycle, until progression or unacceptable toxicity develops. (These represent one intervention.)

The interval from date of randomization to the date of death from any cause or the last date the subject was known to be alive or 5 years whichever occurs first.

Morphologic CR plus CRp rate where Morphologic leukemia-free state defined as less that (<) 5 percent (%) blasts in an aspirate sample with marrow spicules and a count of greater than or equal to (>=) 200 nucleated cells (there should have been no blasts with Auer rods or persistence of extramedullary disease) plus absolute neutrophil count (ANC) greater than (>)1,000 per microliter (/mcL), platelet count of >=100,000/mcL, and the participant must have been independent of transfusions for at least 1 week before each assessment. There was no duration requirement for confirmation of this designation and Morphologic CR without the requirement of platelet count >=100,000/mcL.