{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"44.3"},{"groupId":"OG001","value":"50.5"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"106"},{"groupId":"OG001","value":"105"}],"units":"Participants"}],"description":"Sustained hemoglobin improvement is defined as the percentage of participants who achieved an increase in hemoglobin levels from baseline by \\>= 2 grams per deciliter (g/dL) and lasts for at least 56 days without blood transfusion or growth factors.","groups":[{"description":"Participants received ibrutinib 420 milligrams (mg) orally once daily for 3 cycles (each cycle is of 28 days) followed by the combination of ibrutinib 420 mg and venetoclax 400 mg orally once daily for 12 cycles (including a 5-week venetoclax dose ramp up starting in cycle 4). Participants who subsequently developed independent review committee (IRC)-confirmed progressive disease (PD) and had active disease requiring treatment were eligible to participate in the Subsequent Therapy Phase and received single-agent ibrutinib until disease progression or unacceptable toxicity.","id":"OG000","title":"Treatment Arm A (Ibrutinib + Venetoclax)"},{"description":"Participants received chlorambucil 0.5 milligrams per kilogram (mg/kg) body weight orally once daily on Days 1 and 15 of Cycles 1 to 6 in combination with obinutuzumab 1000 mgs intravenously (IV) once daily on Days 1, 8, and 15 of Cycle 1 and Day 1 of Cycles 2 to 6 (each cycle is of 28 days). Participants who subsequently developed IRC-confirmed progressive disease (PD) and had active disease requiring treatment were eligible to participate in the Subsequent Therapy Phase and received single-agent ibrutinib until disease progression or unacceptable toxicity.","id":"OG001","title":"Treatment Arm B (Chlorambucil + Obinutuzumab)"}],"paramType":"NUMBER","populationDescription":"The ITT analysis set included all randomized participants who were analyzed according to assigned treatment group, regardless of the actual treatment received.","reportingStatus":"POSTED","timeFrame":"Up to 2 years 10 months","title":"Percentage of Participants With Sustained Hemoglobin Improvement","type":"SECONDARY","unitOfMeasure":"Percentage of Participants"}